Publications — TTI Visibility Research

Title	Report Number	Author(s)	Date
Traffic Control Device Analysis, Testing, and Evaluation Program: FY2022 Activities	0-7096-R2	M.D. Finley, S.P. Venglar, M.P. Pratt, J.G. Hudson	August 2023
Traffic Control Device Analysis, Testing, and Evaluation Program: FY20221 Activities	0-7096-R1	M.D. Finley, L. Theiss, S.P. Venglar, J.A. Habermann, A.M. Pike	August 2023
0-7036: Use of Roundabouts and Innovative Intersection Designs at High-Speed Intersections in Texas	0-7036-S	M.A. Brewer, K. Fitzpatrick, M. Shirinzad, H. Zhou, D.H. Florence, J.M. Tydlacka, B. Dadashova, M.Q. Le	July 2023
0-7083: Calibrating the Highway Safety Manual Predictive Methods for Texas Highways	0-7083-PSR	S.R. Geedipally, K.K. Dixon, L. Wu, M.P. Pratt, R.E. Avelar, S. Das, I. Tsapakis, D. Lord, G. Saini	December 2022
Calibrating the Highway Safety Manual Predictive Methods for Texas Highways: Technical Report	0-7083-R1	S.R. Geedipally, K.K. Dixon, L. Wu, M.P. Pratt, R.E. Avelar, S. Das, I. Tsapakis, D. Lord, G. Saini	December 2022
Automated and Connected Vehicle (AV/CV) Test Bed to Improve Transit, Bicycle, and Pedestrian Safety -- Phase III: Technical Report	0-6875-03-R1	K.F. Turnbull, S.R. Sunkari, S.M. Turner, L.L. Higgins, K. Fitzpatrick, M.P. Pratt, B.N. Gick, H.A. Charara	July 2022
0-6875-03: Automated and Connected Vehicle (AV/CV) Test Bed to Improve Transit, Bicycle, and Pedestrian Safety -- Phase III	0-6875-03-PSR	K.F. Turnbull, S.R. Sunkari, H.A. Charara, S.M. Turner, T.J. Lomax, L.L. Higgins, K. Fitzpatrick, M.P. Pratt, B.N. Gick, K.N. Balke	July 2022
Guideline for Enhancing Delineation at TxDOT Low Water Crossings	0-6992-P2	C. Silvestri Dobrovolny, K.N. Balke, A.M. Pike	June 2022
0-6992: Traffic Safety Improvements at Low Water Crossings	0-6992-PSR	C. Silvestri Dobrovolny, K.N. Balke, R.P. Bligh, S. Hurlebaus, S. Shi, A.M. Pike, S. Das, H.A. Charara, C.R. Mott	June 2022
TxDOT Project 0-6992: Traffic Safety Improvements at Low Water Crossings -- Summary Webinar	0-6992-P1	C. Silvestri Dobrovolny, K.N. Balke, A.M. Pike, D.H. Florence, H.A. Charara, N.A. Chaudhary, S. Hurlebaus, S. Das, R.P. Bligh, R.A. Zimmer, G. Pesti, T.P. Barrette, C.R. Mott, J. Esposito, D.M. Parish, P.K. Sturgeon	January 2021
Traffic Control Device Analysis, Testing, and Evaluation Program	0-6969-PSR	M.D. Finley, A.M. Pike, K. Fitzpatrick, L. Theiss, E. Park, R.E. Avelar, M.A. Brewer, L. Wu, M.P. Pratt, N.A. Chaudhary, S.R. Sunkari, N.S. Wood, E. Rista, T.P. Barrette, S. Datta	July 2021
Curve Advisory Speed and Curve Safety Assessment Practices: Training Development and Support	5-6960-01-R1	M.P. Pratt, S.R. Geedipally, M.Q. Le	June 2021
Implementation of Enhancing Curve Advisory Speed and Curve Safety Assessment Practices	5-6960-01-PSR	M.P. Pratt, S.R. Geedipally, M.Q. Le	June 2021
Traffic Control Device Analysis, Testing, and Evaluation Program: FY2020 Activities	0-6969-R3	M.D. Finley, A.M. Pike, K. Fitzpatrick, E. Park, L. Theiss, M.P. Pratt, N.A. Chaudhary, S.R. Sunkari, N.S. Wood, S. Datta	June 2021
Examine Trade-Offs between Center Separation and Shoulder Width Allotment for a Given Roadway Width	0-7035-PSR	S.R. Geedipally, M.A. Brewer, R.C. Wunderlich, M.P. Pratt, L. Wu, S. Das, D.H. Florence	November 2021
Develop Capacity and Cost Benefits of Super 2 Corridors	0-6997-PSR	M.A. Brewer, T.P. Barrette, D.H. Florence, B.A. Glover, K. Fitzpatrick, S.P. Venglar	October 2021
Studies to Develop Guidelines on Work Zone Barrier Use on Freeways	0-7020-PSR	G.L. Ullman, E. Rista, T.P. Barrette, J.A. Habermann, D.G. Wallace	September 2021
Examine Trade-Offs between Center Separation and Shoulder Width Allotment for a Given Roadway Width	0-7035-R1	S.R. Geedipally, M.A. Brewer, R.C. Wunderlich, M.P. Pratt, L. Wu, S. Das, D.H. Florence	2021
Horizontal Curve Evaluation Handbook	0-6960-P1	M.P. Pratt, S.R. Geedipally, R.E. Avelar, M. Le	May 2020
Traffic Control Device Analysis, Testing, and Evaluation Program: FY2019 Activities	0-6969-R2	M.D. Finley, K. Fitzpatrick, E. Rista, M.A. Brewer, R. Avelar, A.M. Pike, T.P. Barrette, S. Datta	October 2020
Evaluation of Audible Lane Departure Warning Treatments for Seal Coat Road Surfaces	0-6888-R1	A.M. Pike, B.T. Wilson, E. Park, S.R. Geedipally, L. Wu	February 2019
Traffic Control Device Analysis, Testing, and Evaluation Program: FY2018 Activities	0-6969-R1	M.D. Finley, A.M. Pike, E. Park, L. Wu, L. Theiss, M.A. Brewer, K.M. Fitzpatrick, R.E. Avelar, T.P. Barrette	June 2019
Enhancing Curve Advisory Speed and Curve Safety Assessment Practices	0-6960-PSR	M.P. Pratt, S.R. Geedipally, R.E. Avelar, M.Q. Le, D. Lord	May 2019
Developing Enhanced Curve Advisory Speed and Curve Safety Assessment Guidelines	0-6960-R1	M.P. Pratt, S.R. Geedipally, R.E. Avelar, M.Q. Le, D. Lord	May 2019
Audible Lane Departure Warning Treatments for Seal Coat Road Surfaces	0-6888-PSR	A.M. Pike, B.T. Wilson, E. Park, S.R. Geedipally, L. Wu	2019
Traffic Control Device Evaluation Program: FY 2017	9-1001-14-4	M.D. Finley, S.T. Chrysler, P.J. Carlson, A.M. Pike, E. Park, M.P. Pratt, R.E. Avelar, S.R. Sunkari, S.P. Venglar, J.M. Kaufman, S.A. Cooner, J.G. Hudson	March 2018
Developing Pavement Safety-Based Guidelines for Improving Horizontal Curve Safety	0-6932-PSR	M.P. Pratt, S.R. Geedipally, B.T. Wilson, S. Das, M.A. Brewer, D. Lord	November 2018
Guidelines and Evaluation Framework for Horizontal Curve Wet-Surface Safety Analysis: A User Guide	0-6932-P1	M.P. Pratt, S.R. Geedipally, B.T. Wilson, D. Lord	November 2018
Pavement Safety-Based Guidelines for Horizontal Curve Safety	0-6932-R1	M.P. Pratt, S.R. Geedipally, B.T. Wilson, S. Das, M.A. Brewer, D. Lord	November 2018
Develop Guidelines for New Vehicle Detectors at High-Speed Signalized Intersections	0-6828-S	D.R. Middleton, P. Songchitruksa, M.P. Pratt, S.R. Sunkari, S.R. Geedipally, H.A. Charara	April 2017
Framework for Implementing Performance Planning for Rural Planning Organizations	0-6852-S	J.H. Overman, K.M. Miller, P.L. Ellis, M. Miller, M.P. Pratt, N.G. Gharaibeh, S. Sharma, C.A. Morgan, G. Stoeltje, T.B. Carlson	February 2017
Advancing Innovative High-Speed Remote-Sensing Highway Infrastructure Assessment Using Emerging Technologies: Technical Report	0-6869-1	P.J. Carlson, B.J. Storey, M. Poorsartep, C.R. Stevens, B.L. Ettelman, T.E. Lindheimer, M. Dastgiri, M. Khodakarami, J.D. Miles, D. Song, R.L. Lytton, X. Luo, Y. Deng, F. Gu, S. Hurlebaus	February 2017
Traffic Control Device Evaluation Program: FY 2016	9-1001-14-3	S.T. Chrysler, B.K. Brimley, P.J. Carlson, S.R. Sunkari, E. Park	March 2017
Develop Metrics of Tire Debris on Texas Highways: Technical Report	0-6860-1	R.E. Avelar, M.P. Pratt, J.D. Miles, T.E. Lindheimer, N.D. Trout, J.A. Crawford	May 2017
Pedestrian Safety Treatments for Signalized Intersections: Training Course Development	5-6402-01-1	M.P. Pratt	November 2017
Develop Metrics of Tire Debris on Texas Highways	0-6860-S	R.E. Avelar, M.P. Pratt, J.D. Miles, T.E. Lindheimer, N.D. Trout, J.A. Crawford	July 2016
Traffic Control Device Evaluation Program: Simulator Evaluation of Sponsored Changeable Message Signs and In-Situ Evaluation of Rumble Strip Alternatives	9-1001-14-2	A.M. Pike, L.L. Higgins, M. Ko, J.D. Miles, A.A. Nelson, P.J. Carlson, S.T. Chrysler, E. Park	July 2016
Investigation of New Vehicle Detectors for High-Speed Signalized Intersections	0-6828-1	D.R. Middleton, P. Songchitruksa, M.P. Pratt, S. Sunkari, S.R. Geedipally, H.A. Charara	March 2016
Traffic Control Device Evaluation Program: Technical Report	9-1001-14-1	P.J. Carlson, L.L. Higgins, M.P. Pratt, M.D. Finley, L. Theiss, W.F. Williams, V. Iragavarapu, M. Ko, A.A. Nelson	March 2015
Improved Nighttime Work Zone Channelization in Confined Urban Projects	0-6781-S	L. Theiss, G.L. Ullman, S.K. Stone, B.K. Manak, S.E. Hammond, C.E. Yager, L.L. Higgins, D.G. Wallace, J.D. Miles, D.P. Walker, G.F. Gillette, S.A. Swindell	2015
Evaluation of Guide Sign Fonts	99007	J.D. Miles, B.M. Kotwal, S.E. Hammond, F. Ye	April 2014
Assessment of the Effectiveness of Wrong Way Driving Countermeasures and Mitigation Methods	0-6769-1	M.D. Finley, S.P. Venglar, V. Iragavarapu, J.D. Miles, E. Park, S.A. Cooner, S.E. Ranft	December 2014
Traffic Control Device Evaluation Program: Technical Report	9-1001-4	P.J. Carlson, M.P. Pratt, L.L. Higgins, A.A. Nelson	January 2014
Evaluating the Effectiveness of Performance Based Pavement Marking Maintenance Contracts in Texas	0-6705-1	A.M. Pike, P. Songchitruksa, I. Damnjanovic, S.R. Geedipally, D. Kang	January 2014
Driver-Yielding Results for Three Rectangular Rapid-Flash Patterns	TTI-2014-5	K. Fitzpatrick, R.E. Avelar, J.A. Robertson, J.D. Miles	June 2014
A Real-time Transit Signal Priority Control System that Considers Stochastic Bus Arrival Times	SWUTC/14/600451-00014-1	X. Zeng, K.N. Balke, P. Songchitruksa, Y. Zhang	May 2014
Enhanced Adaptive Signal Control Using Dedicated Short-Range Communications	SWUTC/14/600451-00010-1	Y. Zhang, K. Tiaprasert	May 2014
Evaluating the Need for Surface Treatments to Reduce Crash Frequency on Horizontal Curves	0-6714-1	M.P. Pratt, S.R. Geedipally, A.M. Pike, P.J. Carlson, A.M. Celoza, D. Lord	May 2014
Performance Measures for Multi-vehicle Allowance Shuttle Transit (MAST) System	SWUTC/14/600451-00026-1	L. Quadrifoglio, K. Yin, W. Lu	September 2014
Evaluating the Effectiveness of Performance Based Pavement Marking Maintenance Contracts in Texas	0-6705-S	A.M. Pike, P. Songchitruksa, I. Damnjanovic, S.R. Geedipally, D. Kang	2014
Wrong Way Driving Countermeasures	0-6769-S	M.D. Finley, S.P. Venglar, V. Iragavarapu, J.D. Miles, E. Park, S.A. Cooner, S.E. Ranft	2014
Evaluating the Need for Surface Treatments to Reduce Crash Frequency on Horizontal Curves	0-6714-S	M.P. Pratt, S.R. Geedipally, A.M. Pike, P.J. Carlson, D. Lord	2014
Mobile Luminance Data Collection System User Manual	0-6647-P2	J.D. Miles, H. Ge, P.J. Carlson, Y. Zhang	April 2013
Evaluation of Traffic Control Devices, Year 4	9-1001-3	P.J. Carlson, A.M. Pike, J.D. Miles, B.R. Ullman, D.W. Borchardt	August 2013
Understanding the Decision-making Process for Drivers Faced with Lane Restrictions or Closures on Wisconsin Highways	0092-11-15	L.L. Higgins, A.A. Nelson, T.S. Geiselbrecht, B.R. Ullman	February 2013
Studies to Assess the Impact of Nighttime Work Zone Lighting on Motorists	0-6641-1	M.D. Finley, G.L. Ullman, J.D. Miles, M.P. Pratt	May 2013
Guidelines for Freeway Lighting Curfews	0-6645-1	H. Zhou, H.G. Hawkins, Jr., J.D. Miles	May 2013
Compendium of Student Papers: 2012 Undergraduate Transportation Scholars Program	SWUTC/13/600451-00003-1	A.M. Celoza, K.D. Weimert, H.G. Hawkins, Jr.	May 2013
Developing Luminance-Based Mobile Highway Delineation Equipment and Level of Service Guidelines for Safe Nighttime High-Speed Travel	0-6647-S	P.J. Carlson, J.D. Miles, H. Ge, Y. Zhang	May 2013
Pennsylvania Turnpike: Dry and Wet Retroreflectivity Test Results of Different Combinations of Retroreflective Optics Installed in an Epoxy Binder	TTI-2013-24	A.M. Pike, P.J. Carlson	November 2013
Compendium of Student Papers: 2013 Undergraduate Transportation Scholars Program	SWUTC/13/600451-00003-2	D.T. Bartilson, A.M. Contreras, K.R. Mackan, M.B. Membreno, P.C. Moore, H.G. Hawkins, Jr.	November 2013
Prototype Mobile Luminance Measurement System and Level of Service for Evaluating Rural High-Speed Nighttime Delineation	0-6647-1	J.D. Miles, H. Ge, P.J. Carlson, Y. Zhang	September 2013
Assessment of the Impact of Nighttime Work Zone Lighting on Motorists	0-6641-S	M.D. Finley, G.L. Ullman, J.D. Miles, M.P. Pratt	2013
Research and Recommendations for a Statewide Sign Retroreflectivity Maintenance Program	0-6408-1	P.J. Carlson, L.L. Higgins, J.M. Re	April 2012
Automating the Process for Locating No-Passing Zones Using Georeferencing Data	SWUTC/12/161102-1	M. Azimi, H.G. Hawkins, Jr.	August 2012
Synthesis Study of Texas Signal Control Systems: Technical Report	0-6670-1	D. Sun, L. Dodoo, H.K. Penumala, A. Rubio, H. Zhou, M.P. Pratt, S.R. Sunkari	December 2012
Development of Guidelines for Pedestrian Safety Treatments at Signalized Intersections	0-6402-1	J.A. Bonneson, M.P. Pratt, P. Songchitruksa	January 2012
Studies to Determine the Effectiveness of Automated Flagger Assistance Devices and School Crossing Devices	0-6407-1	M.D. Finley, B.R. Ullman, N.D. Trout, E. Park	January 2012
Using High Friction Surface Treatments to Improve Safety at Horizontal Curves	TTI-2012-8	B.K. Brimley, P.J. Carlson	July 2012
Evaluation of Sign Retroreflectivity Measurements from the VISUAL Inspection Signs and Panels (VISUALISE) System		F. Ye, P.J. Carlson	July 2012
Multi-vehicle Mobility Allowance Shuttle Transit (MAST) System: An Analytical Model to Select the Fleet Size and a Scheduling Heuristic	UTCM 11-47-77	L. Quadrifoglio, W. Lu	June 2012
Algorithms for Routing Vehicles and Their Application to the Paratransit Vehicle Scheduling Problem	UTCM 09-15-13	M. Park, P. Oberlin, S. Rathinam, L. Quadrifoglio, S. Darbha	March 2012
Evaluation of Traffic Control Devices, Year 3	9-1001-2	P.J. Carlson, A.M. Pike, J.D. Miles, B.R. Ullman, D.W. Borchardt	March 2012
Compendium of Student Papers: 2011 Undergraduate Transportation Scholars Program	SWUTC/11/476660-00003-4	F.J. Desorcie, R. Jiang, P.C. Kelly, S.J. Larson, M.P. Rasulo, J.K. Rivera, H.M. Wood, H.G. Hawkins, Jr.	May 2012
Development of a Statewide Sign Maintenance Program	0-6408-S	P.J. Carlson, L.L. Higgins, J.M. Re	2012
Guidelines for Continuous and Safety Roadway Lighting	0-6645-S	H.G. Hawkins, Jr., H. Zhou, J.D. Miles	2012
Evaluating the Use of Transfers for Improving Demand Responsive Systems Adopting Zoning Strategies	UTCM 10-60-59	L. Quadrifoglio, C. Shen, A.S. Edrington	August 2011
Taxiway Aircraft Traffic Analysis at George Bush Intercontinental Airport	SWUTC/11/476660-00029-1	K. Yin, C. Tian, B. Wang, L. Quadrifoglio	August 2011
User's Guide: Pavement Marking Management System Database	0-5548-P1	Y. Zhang	December 2011
Studies to Determine the Effectiveness of Longitudinal Channelizing Devices in Work Zones	0-6103-1	M.D. Finley, L. Theiss, N.D. Trout, J.D. Miles, A.A. Nelson	January 2011
Evaluation and Development of Pavement Scores, Performance Models and Needs Estimates: Phase I Activities	0-6386-2	N.G. Gharaibeh, T.J. Freeman, A.J. Wimsatt, Y. Zou	June 2011
Compendium of Student Papers: 2010 Undergraduate Transportation Scholars Program	SWUTC/10/476660-00003-3	I.S. Almy, L.D. Ballard, B.K. Brimley, W.E. Huff, G.W. Larson, B.C. Schwenn, J.L. Tovar, B.E. Ward, H.G. Hawkins, Jr.	June 2011
Creating a Systems Engineering Approach for the Manual on Uniform Traffic Control Devices	SWUTC/11/476660-00009-1	H.C. McNeal, H.G. Hawkins, Jr.	March 2011
Evaluation of Traffic Control Devices, Year 2	9-1001-1	P.J. Carlson, A.M. Pike, J.D. Miles, B.R. Ullman, R. Stevens, D.W. Borchardt	March 2011
Development of Field Performance Evaluation Tools and Program for Pavement Marking Materials: Technical Report	0-5548-1	Y. Zhang, H. Ge, A.M. Pike, P.J. Carlson	March 2011
Peer Grouping and Performance Measurement to Improve Rural and Urban Transit in Texas	0-6205-1	J.C. Arndt, A.S. Edrington, S.M. Sandidge, L. Quadrifoglio, J. Perkins	May 2011
Traffic Signal Operations Handbook: Workshop Training. Instructor Guide	5-5629-01-P2	J.A. Bonneson, M.P. Pratt	November 2011
Evaluating the Effect of Street Network Connectivity on First/Last Mile Transit Performance	SWUTC/11/161106-1	L. Quadrifoglio, C. Shailesh	November 2011
Traffic Signal Operations Handbook: Workshop Training (IPR011)	5-5629-01-P1	J.A. Bonneson, M.P. Pratt	November 2011
Pedestrian Safety Treatments for Signalized Intersections	0-6402-P3	J.A. Bonneson, M.P. Pratt, P. Songchitruksa	October 2011
Traffic Signal Operations Handbook Workshop Series: Final Report	5-5629-01-1	M.P. Pratt, J.A. Bonneson	October 2011
Traffic Signal Operations Handbook, Second Edition	0-6402-P1	J.A. Bonneson, S.R. Sunkari, M.P. Pratt, P. Songchitruksa	October 2011
Evaluation of the Effectiveness of Automated Flagger Assistance Devices	0-6407-S	M.D. Finley, B.R. Ullman, N.D. Trout, E. Park	2011
Development of Field Performance Evaluation Tools and Program for Pavement Marking Materials	0-5548-S	Y. Zhang, H. Ge, A.M. Pike, P.J. Carlson	2011
Development of Pedestrian Safety Based Warrants for Protected or Protected/Permissive Left Turn (PPLT) Control	0-6402-S	J.A. Bonneson, M.P. Pratt, P. Songchitruksa, K. Fitzpatrick	2011
Performance Analysis of the "Zoning" Strategies for ADA Paratransit Services	SWUTC/10/169114-1	L. Quadrifoglio, C. Shen	August 2010
Feasibility and Applications of RFID Technologies to Support Right-of-Way Functions: Technical Report	0-6142-1	A. Lodgher, J. Perkins, Y. Yang, E. Jones, H.G. Hawkins, Jr.	August 2010
Revised Text for TxDOT Manual: Roadway Design Manual	5-4703-01-P7	J.A. Bonneson, M.P. Pratt	December 2010
Revised Text for TxDOT Manual Procedures for Establishing Speed Zones, Chapter 5, Section 2	5-5439-01-P2	J.A. Bonneson, M.P. Pratt	February 2010
Development of Safety Performance Monitoring Procedures	0-4703-7	M.P. Pratt, J.A. Bonneson	February 2010
Methodology and Guidelines for Regulating Traffic Flows under Air Quality Constraints in Metropolitan Areas	UTCM 08-35-17	Y. Zhang, Q. Ying, J. Lv, S.H. Kota	February 2010
Determining Nighttime Driver Signing Needs	0-5235-S	P.J. Carlson, J.D. Miles, E. Park, S.E. Hammond, S.T. Chrysler	February 2010
Guidelines for the Use of Pavement Marking Symbols at Freeway Interchanges	0-5890-S	B.R. Ullman, S.T. Chrysler, M.D. Finley, N.D. Trout	February 2010
Evaluation of Potential Benefits of Wider and Brighter Edge Line Pavement Markings	0-5862-1	J.D. Miles, P.J. Carlson, R.M. Eurek, J.M. Re, E. Park	July 2010
Guidelines for the Use of Pavement Marking Symbols at Freeway Interchanges: Final Report	0-5890-1	B.R. Ullman, M.D. Finley, S.T. Chrysler, N.D. Trout, A.A. Nelson, S. Young	March 2010
Guidelines for Spacing Between Freeway Ramps	0-5860-1	K. Fitzpatrick, R.J. Porter, G. Pesti, C. Chu, E. Park, T.Q. Le	March 2010
Highway Safety Design Workshops	5-4703-01-1	J.A. Bonneson, M.P. Pratt	November 2010
Development of a Model Performance-Based Sign Sheeting Specification Based on the Evaluation of Nightime Traffic Signs Using Legibility and Eye-Tracker Data: Data and Analyses	0-5235-1-VOL2	P.J. Carlson, E. Park, J.D. Miles	September 2010
Automated Generation of Virtual Scenarios in Driving Simulator from Highway Design Data	SWUTC/10/476660-00018-1	X. Zhao, A.A. Nelson, S.T. Chrysler, Y. Zhang	September 2010
On-Going Evaluation of Traffic Control Devices	0-6384-1	P.J. Carlson, R.P. Bligh, A.M. Pike, J.D. Miles, W.L. Menges, S.C. Paulus	September 2010
Development of a Model Performance-Based Sign Sheeting Specification Based on the Evaluation of Nighttime Traffic Signs Using Legibility and Eye-Tracker Data	0-5235-1-VOL1	P.J. Carlson, J.D. Miles, E. Park, S.E. Hammond, S.T. Chrysler, J.E. Clark	September 2010
Evaluation of Longitudinal Channelizing Barricade Effectiveness	0-6103-S	M.D. Finley, L. Theiss, N.D. Trout, J.D. Miles, A.A. Nelson	2010
Benefits of Wider Longitudinal Markings	0-5862-S	P.J. Carlson, J.D. Miles, R.M. Eurek, J.M. Re, E. Park	2010
Feasibility and Applications of RFID Technologies to Support Right-of-Way Functions	0-6142-S	H.G. Hawkins, Jr., A. Lodgher, J. Perkins, Y. Yang, E. Jones, C.A. Quiroga	2010
Benchmarking and Improving Texas Rural Public Transportation Systems	0-6205-S	J.C. Arndt, S.M. Sandidge, L. Quadrifoglio, J. Perkins	2010
Development of a Traffic Signal Operations Handbook	0-5629-1	J.A. Bonneson, M.P. Pratt, K.H. Zimmerman	August 2009
Coordination and Safety Procedures for Mail Delivery on Roadways Without Shoulders: Technical Report	0-6076-1	D. Picha, B.R. Ullman	August 2009
Horizontal Curve Signing Workshop	5-5439-01-P1	J.A. Bonneson, M.P. Pratt, J.D. Miles, P.J. Carlson	August 2009
Evaluating and Improving Incident Management Using Historical Incident Data: Case Studies at Texas Transportation Management Centers.	0-5485-1	P. Songchitruksa, K.N. Balke, X. Zeng, C. Chu, Y. Zhang, G. Pesti	August 2009
Guidelines for Ramp Terminal Spacing for Freeways	0-5860-S	K. Fitzpatrick, R.J. Porter, G. Pesti, C. Chu, E. Park, T.Q. Le	December 2009
Workshops on Using the GPS Method to Determine Curve Advisory Speeds	5-5439-01-1	M.P. Pratt, J.D. Miles, J.A. Bonneson	December 2009
Establishing Advisory Speeds on Non Direct-Connect Ramps: Technical Report	0-6035-1	S.P. Venglar, R.J. Porter, K.O. Obeng-Boampong, s. Kuchangi	February 2009
Evaluation of Traffic Control Devices: Fifth-Year Activities	0-4701-5	H.G. Hawkins, Jr., A.M. Pike, M. Azimi	February 2009
Transit Services for Sprawling Areas with Relatively Low Demand Density: A Pilot Study in the Texas Border's Colonias	SWUTC/09/167177-1	L. Quadrifoglio, S. Chandra, C. Shen	February 2009
Traffic Control Device Evaluation and Development Program	0-4701-S	H.G. Hawkins, Jr.	February 2009
Developing Comprehensive Roadway Delineation Guidelines	0-5772-S	S.T. Chrysler, J.M. Re, K. Knapp, D.S. Funkhouser, B.T. Kuhn	February 2009
Serviceable Pavement Marking Retroreflectivity Levels	0-5656-S	R.J. Benz, A.M. Pike, S.P. Kuchangi, R.Q. Brackett	February 2009
Development of Measures to Improve Field Performance of Retroreflective Raised Pavement Markers	0-5089-1	Y. Zhang, J. Tong, P.J. Carlson, H.G. Hawkins, Jr., P.B. Keating	February 2009
Transit Services for Sprawling Areas with Relatively Low Demand Density: A Pilot Study in the Texas Border's Colonias	UTCM 07-02	L. Quadrifoglio, S. Chandra, C. Shen	February 2009
A Guidebook for Effective Use of Incident Data at Texas Transportation Management Centers	0-5485-P2	P. Songchitruksa, K.N. Balke, X. Zeng, C. Chu, Y. Zhang	February 2009
Incorporating Historical Incident Data into Incident Detection and Performance Measures at Texas Transportation Management Centers	0-5485-S	P. Songchitruksa, K.N. Balke, X. Zeng, C. Chu, Y. Zhang, G. Pesti	February 2009
Traffic Control Device Research Program Summary	0-4701-P1	H.G. Hawkins, Jr.	July 2009
Roadway Safety Design Workbook	0-4703-P2	J.A. Bonneson, M.P. Pratt	July 2009
Mobile Retroreflectivity Best Practices Handbook	0-5656-P1	R.J. Benz, A.M. Pike, s. Kuchangi, R.Q. Brackett, P.J. Carlson	July 2009
Traffic Signal Operations Handbook	0-5629-P1	J.A. Bonneson, S.R. Sunkari, M.P. Pratt	March 2009
Serviceable Pavement Marking Retroreflectivity Levels: Technical Report	0-5656-1	R.J. Benz, A.M. Pike, S.P. Kuchangi, R.Q. Brackett	March 2009
Monitoring Work Zone Safety and Mobility Impacts in Texas	0-5771-1	G.L. Ullman, R.J. Porter, G.J. Karkee	May 2009
Use of Graphics and Symbols on Dynamic Message Signs: Technical Report	0-5256-1	B.R. Ullman, N.D. Trout, C.L. Dudek	May 2009
Driver Response to Delineation Treatments on Horizontal Curves on Two-Lane Roads	0-5772-1	S.T. Chrysler, J.M. Re, K.K. Knapp, D.S. Funkhouser, B.T. Kuhn	May 2009
Coordination and Safety Procedures for Mail Delivery on Roadways without Shoulders	0-6076-S	D. Picha, B.R. Ullman	May 2009
Compendium of Student Papers: 2009 Undergraduate Transportation Scholars Program	SWUTC/09/476660-00003-2	C.W. Senesi, S.R. Everett, J.T. Easterling, G.O. Bogonko, H.G. Hawkins, Jr.	October 2009
Implementation Guide for Monitoring Work Zone Safety and Mobility Impacts	0-5771-P1	G.L. Ullman, R.J. Porter, G.J. Karkee	September 2009
Pedestrian Accessibility at Signalized Intersections	0-4701-P4	M.A. Brewer, H.G. Hawkins, Jr.	2009
Incorporating Safety into the Highway Design Process: Fifth-Year Report	0-4703-6	J.A. Bonneson, M.P. Pratt	2009
Minimum Retroreflectivity Levels for Blue and Brown Traffic Signs	FHWA-HRT-08-029	A.J. Holick, P.J. Carlson	April 2008
Best TxDOT Practices for Signal Timing and Detection Design at Intersections	0-5629-S	J.A. Bonneson, M.P. Pratt, S. Sunkari	August 2008
Compendium of Student Papers: 2008 Undergraduate Transportation Scholars Program	SWUTC/08/476660-00003-1	R.A. Ayala, T.J. Hunter, L.L. Green, M.P. Mulkern, J.A. Robertson, H.G. Hawkins, Jr.	August 2008
Establishing Advisory Speeds on Non-Direct Connect (Regular/Slip) Ramps	0-6035-S	S.P. Venglar, R.J. Porter, K.O. Obeng-Boampong, S.P. Kuchangi	December 2008
Investigating Pedestrian Components in Temporary Traffic Control	0-5237-1	B.R. Ullman, M.A. Brewer, K. Fitzpatrick, G.L. Ullman	January 2008
A Guidebook for Effective Use of Archived Operations Data at Transportation Management Centers	0-5485-P1	P. Songchitruksa, K.N. Balke, Y. Zhang, K. Hamad, G. Pesti	January 2008
Use of Graphics and Symbols on Dynamic Message Signs	0-5256-S	B.R. Ullman, N.D. Trout, C.L. Dudek	June 2008
Traffic Signal Warrants	0-4701-P2	H.G. Hawkins, Jr.	March 2008
Performance Assessment and Comparison between Fixed and Flexible Transit Services for Different Urban Settings and Demand Distributions	SWUTC/08/473700-00090-1	L. Quadrifoglio, X. Li	March 2008
Hurricane Evacuation Traffic Operations	0-4962-1	A.J. Ballard, B.R. Ullman, N.D. Trout, S.P. Venglar, D.W. Borchardt, A.P. Voigt, K.O. Obeng-Boampong, R. Rajbhandari	March 2008
Studies to Improve Temporary Traffic Control at Urban Freeway Interchanges and Pavement Marking Material Selection in Work Zones	0-5238-2	G.L. Ullman, M.D. Finley, A.M. Pike, K.K. Knapp, P. Songchitruksa, A.A. Nelson	March 2008
Evaluation of Traffic Control Devices: Fourth-Year Activities	0-4701-4	H.G. Hawkins, Jr., C.L. Williams, S.R. Sunkari	May 2008
Calibration Factors Handbook: Safety Prediction Models Calibrated with Texas Highway System Data	0-4703-5	J.A. Bonneson, M.P. Pratt	October 2008
Development of Guidelines for Hurricane Evacuation Signing and Markings	0-4962-S	A.J. Ballard, B.R. Ullman, N.D. Trout, S.P. Venglar, D.W. Borchardt, A.P. Voigt, K.O. Obeng-Boampong, R. Rajbhandari	2008
Identifying and Testing Effective Advisory Speed Setting Procedures	0-5439-S	J.A. Bonneson, M.P. Pratt, J.D. Miles, P.J. Carlson	August 2007
Compendium of Student Papers: 2007 Undergraduate Transportation Scholars Program	SWUTC/07/473700-00003-12	M.E. Ciarkowski, N.H. Fluker, J.A. Richter, A.M. Sandhu, H.G. Hawkins, Jr.	August 2007
Improved Temporary Traffic Control Guidelines for Urban Freeway Interchanges	0-5238-S	G.L. Ullman, M.D. Finley, A.M. Pike, K.K. Knapp, P. Songchitruksa, A.A. Nelson	August 2007
Evaluation of Wet-Weather and Contrast Pavement Marking Applications: Final Report	0-5008-2	P.J. Carlson, J.D. Miles, A.M. Pike, E. Park	August 2007
Guidelines for Hurricane Evacuation Signing and Markings	0-4962-P1	B.R. Ullman, N.D. Trout, A.J. Ballard	December 2007
Development of Tools for Evaluating the Safety Implications of Highway Design Decisions	0-4703-4	J.A. Bonneson, D. Lord, K.H. Zimmerman, K. Fitzpatrick, M.P. Pratt	February 2007
Evaluation of Wet-Weather and Contrast Pavement Marking Applications	0-5008-S	P.J. Carlson, J.D. Miles, A.M. Pike, E. Park, M.P. Pratt	February 2007
Driver Comprehension of Diagrammatic Freeway Guide Signs	0-5147-1	S.T. Chrysler, A.A. Nelson, D.S. Funkhouser, A.J. Holick, M.A. Brewer	February 2007
Evaluation of Traffic Control Devices: Third-Year Activities	0-4701-3	H.G. Hawkins, Jr., M.A. Sneed, C.L. Williams	January 2007
Development of Guidelines for Establishing Effective Curve Advisory Speeds	0-5439-1	J.A. Bonneson, M.P. Pratt, J.D. Miles, P.J. Carlson	October 2007
Development of Guidelines for Handling Pedestrians in Temporary Traffic Control Areas	0-5237-S	B.R. Ullman, M.A. Brewer, K. Fitzpatrick, G.L. Ullman	October 2007
Horizontal Curve Signing Handbook	0-5439-P1	J.A. Bonneson, M.P. Pratt, J.D. Miles, P.J. Carlson	October 2007
Checklist for Accommodating Pedestrians in Temporary Traffic Control Areas	0-5237-P1	K. Fitzpatrick, M.A. Brewer, B.R. Ullman, G.L. Ullman	2007
Raised Pavement Marker Improvements	0-5089-S	Y. Zhang, P.J. Carlson, H.G. Hawkins, Jr., S.D. Schrock	2007
Durability of Preformed Thermoplastic Pavement Markings for Horizontal Signing Applications	0-4471-3	S.T. Chrysler, S.D. Schrock, T.J. Gates	April 2006
Evaluation of the Clearview Font for Negative Contrast Traffic Signs	0-4984-1	A.J. Holick, S.T. Chrysler, E. Park, P.J. Carlson	April 2006
Guidelines for the Use of Diagrammatic Guide Signs and Their Alternatives	0-5147-S	S.T. Chrysler, A.A. Nelson, D.S. Funkhouser, A.J. Holick, M.A. Brewer	August 2006
Accurate Speed Estimation Using Single Loop Detector Data	SWUTC/06/167761-1	Y. Zhang, Z. Ye, Y. Xie	August 2006
Compendium of Student Papers: 2006 Undergraduate Transportation Engineering Fellows Program	SWUTC/06/473700-00003-11	E. Garcia, J.L. Hice, K.B. Kneese, G.S. McDonald, J.L. Schroeder, P.A. Singleton, H.G. Hawkins, Jr.	August 2006
Effective Message Design and Display for Dynamic Message Signs	0-4023-S	C.L. Dudek, B.R. Ullman, N.D. Trout, M.D. Finley, G.L. Ullman	May 2006
Effective Message Design for Dynamic Message Signs	0-4023-5	C.L. Dudek, B.R. Ullman, N.D. Trout, M.D. Finley, G.L. Ullman	May 2006
Clearview Font on Negative Contrast Traffic Signs: Summary Report	0-4984-S	A.J. Holick, S.T. Chrysler, P.J. Carlson	May 2006
Red-Light-Running Handbook Workshop Series: Year 2 Summary Report	5-4196-01-2	J.A. Bonneson, K.H. Zimmerman, M.P. Pratt	October 2006
Evaluating the Safety Risk of Active Night Work Zones	0-4747-2	G.L. Ullman, B.R. Ullman, M.D. Finley	April 2005
Practices to Improve the Safety of Mobile and Short Duration Maintenance Operations	0-4174-S	M.D. Finley, B.R. Ullman, N.D. Trout	April 2005
Research Recommendations for Uniform Rumble Strip Applications in Texas	0-4472-S	P.J. Carlson, J.D. Miles	August 2005
An Assessment of Various Pavement Marking Applications and Rumble Strip Designs	0-4728-S	M.D. Finley, J.D. Miles, P.J. Carlson	December 2005
Improved Work Zone Portable Changeable Message Sign Usage	0-4748-S	G.L. Ullman, C.L. Dudek, B.R. Ullman, A.A. Nelson, G. Pesti	December 2005
Development and Evaluation of an Active Warning Device for School Bus Loading and Unloading Points in Areas of Limited Visibility	0-4749-1	J.L. Carson, A.J. Holick, E. Park, M.D. Wooldridge, R.A. Zimmer	February 2005
Motorist Safety at Active Nighttime Work Zones in Texas	0-4747-S	G.L. Ullman, M.D. Finley, B.R. Ullman	June 2005
Active Advance Warning Devices Show Promise for School Bus Zone Safety	0-4749-S	J.L. Carson, M.D. Wooldridge, E. Park, A.J. Holick, R.A. Zimmer	March 2005
Traffic Operational Impacts of Transverse, Centerline, and Edgeline Rumble Strips	0-4472-2	J.D. Miles, P.J. Carlson, M.P. Pratt, T.D. Thompson	March 2005
Evaluation of Traffic Control Devices: Second Year Activities	0-4701-2	H.G. Hawkins, Jr., R. Garg, P.J. Carlson, A.J. Holick	October 2005
Advanced Notification Messages and Use of Sequential Portable Changeable Message Signs in Work Zones	0-4748-1	G.L. Ullman, B.R. Ullman, C.L. Dudek, A.A. Nelson, G. Pesti	October 2005
Amber Alert, Disaster Response and Evacuation, Planned Special Events, Adverse Weather and Environmental Conditions, and Other Messages for Display on Dynamic Message Signs	0-4023-4	B.R. Ullman, N.D. Trout, C.L. Dudek, S.K. Stone	October 2005
An Assessment of Various Rumble Strip Designs and Pavement Marking Applications for Crosswalks and Work Zones	0-4728-2	M.D. Finley, J.D. Miles, P.J. Carlson	October 2005
Evaluation of Wet-Weather Pavement Markings: First Year Report	0-5008-1	P.J. Carlson, J.D. Miles, M.P. Pratt, A.M. Pike	September 2005
Staffing and Training Needs for Managed Lanes Facilities	0-4160-20	B.R. Ullman, D.L. Jasek	September 2005
Development of a Field Guide for Portable Changeable Message Sign Use in Work Zones	0-4748-2	G.L. Ullman, C.L. Dudek, B.R. Ullman	September 2005
Red-Light Running Handbook Workshop Series: Year 1 Summary Report	5-4196-01-1	J.A. Bonneson, K.H. Zimmerman, M.P. Pratt	September 2005
Incident and Traveler Information Sharing in Texas	7-4951-S	G.L. Ullman, M.D. Finley, B.R. Durkop, P.B. Wiles, J.D. Carvell	April 2004
Effect of Higher-Conspicuity Warning and Regulatory Signs on Driver Behavior	0-4271-S	T.J. Gates, H.G. Hawkins, Jr.	December 2004
Traffic Control Devices and Practices to Improve the Safety of Mobile and Short Duration Operations	0-4174-2	M.D. Finley, B.R. Ullman, N.D. Trout	December 2004
Pedestrian Signal Head Visibility Performance Requirements and Testing Procedures	0-4447-S	M.D. Finley, A.J. Holick	July 2004
Legibility Distances of 9 to 18 Inch Characters For Light-Emitting Diode (LED) Dynamic Message Signs on Arterial Roadways		G.L. Ullman, B.R. Ullman, C.L. Dudek, N.D. Trout	July 2004
Simplifying Delineator and Chevron Applications for Horizontal Curves	0-4052-1	P.J. Carlson, E.R. Rose, S.T. Chrysler, A.L. Bischoff	March 2004
Pavement Marking Effectiveness and the Pavement Marking Handbook	0-4150-S	H.G. Hawkins, Jr., T.J. Gates, E.R. Rose	March 2004
Effectiveness of Dynamic Speed Display Signs (DSDS) in Permanent Applications	0-4475-S	G.L. Ullman, E.R. Rose	March 2004
Urban Freeway Signing and the Freeway Signing Handbook	0-4170-S	H.G. Hawkins, Jr., G.L. Ford, S.T. Chrysler	May 2004
Research Recommendations for Delineator and Chevron Applications	0-4052-S	P.J. Carlson, E.R. Rose, S.T. Chrysler	November 2004
Assessing the Safety Impacts of Active Night Work Zones in Texas	0-4747-1	G.L. Ullman, M.D. Finley, B.R. Ullman	October 2004
Evaluation of Traffic Control Devices: First Year Activities	0-4701-1	E.R. Rose, H.G. Hawkins, Jr., A.J. Holick, R.P. Bligh	October 2004
Traffic Sign Retroreflectivity Issues	0-1796-S	H.G. Hawkins, Jr., P.J. Carlson, S.T. Chrysler	September 2004
Developing a Transportation Science Competition and Career Fair for Junior High and High School Students	SWUTC/03/167123-1	B.R. Ullman, D.L. Jasek	April 2003
Effective Pavement Marking Practices for Sealcoat and Hot-Mix Asphalt Pavements	0-4150-4	T.J. Gates, H.G. Hawkins, Jr., E.R. Rose	August 2003
Effective Pavement Marking Materials and Applications for Portland Cement Concrete Roadways	4150-2	T.J. Gates, H.G. Hawkins, Jr., E.R. Rose	July 2003
Headlamp Illumination Provided to Sign Positions by Passenger Vehicles	0-1796-3	S.T. Chrysler, P.J. Carlson, H.G. Hawkins, Jr.	October 2003
Urban Freeway Guide Signing: Final Report	0-4170-2	H.G. Hawkins, Jr., S.T. Chrysler, G.L. Ford	October 2003
Improving Work Zone Safety Using Traffic Management and Enforcement Tools	0-2137-S	G.L. Ullman, P.A. Barricklow, R. Arredondo, E.R. Rose, M.D. Fontaine	October 2003
Traffic Operational Impacts of Higher-Conspicuity Sign Materials	0-4271-1	T.J. Gates, H.G. Hawkins, Jr., A.J. Holick, P.J. Carlson, S.T. Chrysler, N.L. Hogue	October 2003
Visibility Performance Requirements and Testing Procedures for Pedestrian Signal Heads	0-4447-1	M.D. Finley, A.J. Holick	September 2003
Effectiveness of Rumble Strips on Texas Highways: First Year Report	0-4472-1	P.J. Carlson, J.D. Miles	September 2003
Nighttime Guide Sign Legibility for Microprismatic Clearview Legend on High Intensity Background	0-1796-4	A.J. Holick, P.J. Carlson	September 2003
Identification of Hazards Associated with Mobile and Short Duration Work Zones	0-4174-1	B.R. Ullman, M.D. Finley, N.D. Trout	September 2003
Evaluation of Dynamic Speed Display Signs (DSDS)	0-4475-1	E.R. Rose, G.L. Ullman	September 2003
Utility Accommodation Options for Congestion in TxDOT Right-of-Way	0-4149-S	B.T. Kuhn, R.E. Brydia, D.L. Jasek, A.H. Parham, B.R. Ullman, B.C. Blaschke	September 2003
Freeway Guide Signing: Review of Past Research	0-4170-1	M.D. Fontaine, S.T. Chrysler, G.L. Ford, H.G. Hawkins, Jr.	April 2002
The Use of Wider Longitudinal Pavement Markings	400241-1	T.J. Gates, H.G. Hawkins, Jr.	March 2002
A Review of TxDOT Signing Operations	0-1796-1	H.G. Hawkins, Jr., P.J. Carlson, R. Collins, G. Brinkmeyer	March 2002
Estimating the Impacts of Access Management Techniques: Methodology and Preliminary Findings	0-4221-1	W.L. Eisele, W.E. Frawley, A.T. Griffin, J.D. Miles	October 2002
Analysis of TxDOT Thickness Measurement Procedures for Thermoplastic Pavement Markings	4150-1	T.J. Gates, H.G. Hawkins, Jr.	October 2002
Utility Corridor Structures and Other Utility Accommodation Alternatives in TxDOT Right-of-Way	0-4149-1	B.T. Kuhn, D.L. Jasek, R.E. Brydia, A.H. Parham, B.R. Ullman, B.C. Blaschke	September 2002
Nighttime Legibility of Ground-Mounted Traffic Signs as a Function of Font, Color, and Retroreflective Sheeting Type	0-1796-2	S.T. Chrysler, P.J. Carlson, H.G. Hawkins, Jr.	September 2002
An Analysis of the Market Potential for Distance Learning Opportunities in Transportation Professional Development	SWUTC/01/167702-1	B.R. Durkop, D.L. Jasek, B.T. Kuhn	April 2001
Use of Innovative Traffic Control Devices to Improve Safety at Short-Term Rural Work Zones	0-1879-S	M.D. Fontaine, P.J. Carlson, H.G. Hawkins, Jr.	December 2001
Improving Dynamic Message Sign Operations	0-1882-S	C.L. Dudek, N.D. Trout, B.R. Durkop, S.P. Booth, G.L. Ullman	February 2001
Catalog of Effective Treatments to Improve Driver and Worker Safety at Short-Term Work Zones	0-1879-3	M.D. Fontaine, H.G. Hawkins, Jr.	January 2001
Measuring and Improving Incident Response	4907-S	K.N. Balke, S.A. Cooner, B.R. Durkop, D.W. Fenno, R. Arredondo	January 2001
DMS Message Design and Display Procedures	0-4023-1	M.D. Finley, T.J. Gates, C.L. Dudek	November 2001
The TxDOT Sign Crew Field Book	1373-S	H.G. Hawkins, Jr., P.J. Carlson	December 2000
Texas Driver Understanding of Abbreviations for Dynamic Message Signs	0-1882-1	B.R. Durkop, C.L. Dudek	February 2000
Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones: Second Year Activities and Final Recommendations	0-1879-2	M.D. Fontaine, P.J. Carlson, H.G. Hawkins, Jr.	October 2000
Evaluation of Fluorescent Orange Signs	7-2962-S	H.G. Hawkins, Jr., P.J. Carlson, M.P. Elmquist	October 2000
Displaying Response Status Messages to Motorists During Incident Conditions	4907-4	B.R. Durkop, K.N. Balke	October 2000
Evaluation of Traffic Control Devices for Rural High-Speed Maintenance Work Zones	0-1879-1	P.J. Carlson, M.D. Fontaine, H.G. Hawkins, Jr.	October 2000
Traffic Signal Warrants - Guidelines for Conducting a Traffic Signal Warrant Analysis	7-3991-2	H.G. Hawkins, Jr., P.J. Carlson	June 1999
Traffic Control Devices in Texas Border Areas: Summary of Research and Recommendations	1274-S	H.G. Hawkins, Jr.	March 1999
Evaluation of Alternative Traffic Signs for Use in Texas Border Areas	1274-3	H.G. Hawkins, Jr., D.L. Picha, D.C. Kreis, M.A. Knodler	March 1999
Legibility Comparison of Three Freeway Guide Sign Alphabets	1276-1F	H.G. Hawkins, Jr., M.D. Wooldridge, A.B. Kelly, D.L. Picha, F.K. Greene	May 1999
Assessment of Existing and Alternative Traffic Control Devices in Texas Border Areas	TRB 991401	D.L. Picha, H.G. Hawkins, Jr., C.A. Lopez	1999
Evaluation of Potential Traffic Signal Warrant Considerations	7-3991-1	P.J. Carlson, H.G. Hawkins, Jr.	August 1998
Assessment of Existing and Alternative Traffic Control Devices in Texas Border Areas	1274-2	D.L. Picha, H.G. Hawkins, Jr., A.K. Vizcarra, R.A. Donovan	February 1998
Identification and Evaluation of Guide Signing for Airport Roadways with Specific Application to the Dallas/Fort Worth International Airport	SWUTC/98/467406-1	H.G. Hawkins, Jr., A.M. Stoddard, K.M. Collins, C. Weatherby	July 1998
Supplement to: Identification and Evaluation of Guide Signing for Airport Roadways with Specific Application to the Dallas/Fort Worth International Airport	SWUTC/98/467406-1S	H.G. Hawkins, Jr., A.M. Stoddard, K.M. Collins, C. Weatherby	July 1998
Guidelines for Bicycle and Pedestrian Facilities in Texas	1449-3F	R.J. Benz, K.F. Turnbull, S.M. Turner, D. Hauser, P.S. Hurtado, H.G. Hawkins, Jr.	December 1997
Assessment of Sign Vandalism in the State of Texas	1467-1	C.R. McIlroy, D.L. Picha, H.G. Hawkins, Jr.	August 1996
Draft Guidelines for Bicycle and Pedestrian Facilities	1449-2	D. Hauser, R.J. Benz, P.S. Hurtado, H.G. Hawkins, Jr.	June 1996
Assessment of Mexican Driver Understanding of Existing Traffic Control Devices Used in Texas	1274-1	H.G. Hawkins, Jr., D.L. Picha, B.L. Mann, C.R. McIlroy, K.N. Womack, C.L. Dudek	November 1996
Impact of Minimum Retroreflectivity Values on Sign Replacement Practices	1275-1F	H.G. Hawkins, Jr., P.J. Carlson, J.B. McCaleb, C.R. McIlroy	October 1996
Evaluation of Guide Signing at Right Multilane Freeway Exits with Optional Lanes	1467-5	R.A. Somers, H.G. Hawkins, Jr., D.L. Jasek, T. Urbanik	September 1996
Motorist Understanding of Traffic Control Devices: Study Results and Recommendations	1261-4	H.G. Hawkins, Jr., K.N. Womack, J.M. Mounce	March 1995
Evaluation of Rural Guide Signing: Second Year Activities and Preliminary Recommendations	1373-2	H.G. Hawkins, Jr., R.E. Bartoskewitz, D.W. Fenno	May 1995
Motorist Understanding of Alternative Designs for Traffic Signs	1261-5F	D.L. Picha, H.G. Hawkins, Jr., K.N. Womack	November 1995
Guidelines for Bicycle and Pedestrian Facilities: First-year Activities	1449-1	D. Hauser, R.J. Benz, H.G. Hawkins, Jr.	November 1995
Evaluation of Rural Guide Signing: First Year Activities	1373-1	H.G. Hawkins, Jr., R.E. Bartoskewitz, D.W. Fenno, J.M. Distin	May 1994
Revision 1 to the Texas Highway Operations Manual	1232-3, Revision 1	H.G. Hawkins, Jr., T. Urbanik	September 1994
Motorist Comprehension of Traffic Control Devices: Statewide Survey Results	1261-2	K.N. Womack, H.G. Hawkins, Jr., J.M. Mounce	February 1993
Evaluation of Flashing Traffic Signal Operation	1297-2F	K.C. Kacir, H.G. Hawkins, Jr., R.J. Benz, M. Obermeyer, R.E. Bartoskewitz	November 1993
Texas Highway Operations Manual	1232-3	H.G. Hawkins, Jr., T. Urbanik	August 1992
Traffic Control Guidelines for Urban Arterial Work Zones, Volume 1: Executive Summary	1161-5	H.G. Hawkins, Jr., K.C. Kacir, M.A. Ogden	February 1992
Traffic Control Guidelines for Urban Arterial Work Zones, Volume 2: Technical Report	1161-5	H.G. Hawkins, Jr., K.C. Kacir, M.A. Ogden	February 1992
Urban Arterial Work Zone Data, Volume 3: Data	1161-3	H.G. Hawkins, Jr., M.A. Ogden, E.C. Crowe	February 1991
Traffic Control Guidelines for Urban Arterial Work Zones. Volume 1: Technical Report	1161-3	H.G. Hawkins, Jr., M.A. Ogden, E.C. Crowe	February 1991
Traffic Control Guidelines for Urban Arterial Work Zones, Volume 2: Appendices	1161-3	H.G. Hawkins, Jr., M.A. Ogden, E.C. Crowe	February 1991
Assessment and Improvement of Motorist Understanding of Traffic Control Devices	1261-1	J.M. Mounce, H.G. Hawkins, Jr., K.N. Womack	June 1991
Evaluation of Motorist Information Requirements for Transitways	1113-1F	H.G. Hawkins, Jr., J.M. Mounce, S. Albert	July 1989
The Impacts of Carpool Utilization on the Katy Freeway Transitway 42-Month "After" Evaluation	484-11	H.G. Hawkins, Jr., D.L. Christiansen	September 1989
Traffic Control Guidelines for Urban Arterial Street Work Zones	1161-1	H.G. Hawkins	1989
Austin/San Antonio Origin-Destination Study: Volume I: Summary Report	1186-2	R.W. Stokes, D.E. Morris, H.G. Hawkins, Jr., W.M. Hinshaw	April 1988
Revised Manual for Planning, Designing and Operating Transitway Facilities in Texas	339-14	J.M. Mounce, H.G. Hawkins, Jr., H.S. Payne, R.W. Stokes	August 1988
Austin/San Antonio Origin-Destination Study: Volume II: Technical Appendices	1186-2	R.W. Stokes, D.E. Morris, H.G. Hawkins, Jr., W.M. Hinshaw	February 1988
Austin/San Antonio Origin-Destination Study: Sensitivity Analysis of Traffic Diversion Methodology	1186-3F	R.W. Stokes, H.G. Hawkins, Jr.	September 1988