HR job title
- TTI Senior Research Engineer
- Contact Info
- 1 979 845 9908
Ullman, Gerald TTI Senior Research Engineer
Positions
- TTI Senior Research Engineer, Texas A&M Transportation Institute (TTI), Texas A&M University
- Overview
- Publications
- Contact
- Other
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Overview
Publications
selected publications
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academic article
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Ullman, G. L.
(2023).
Assessment of Driver Distraction at Work Zones with Portable Rumble Strip Deployments in Texas. Transportation Research Record.
2677(3), 1080-1084.
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Theiss, L., Higgins, L., & Ullman, G. L.
(2022).
Improved Practices for Temporary Work Zone Guide Signs. Transportation Research Record.
2677(1), 1130-1140.
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Theiss, L., & Ullman, G. L.
(2019).
Minimizing Work Zone Mobility Impacts using Project Coordination. Transportation Research Record.
2673(2), 209-219.
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Theiss, L., Lindheimer, T., & Ullman, G. L.
(2018).
Closed Course Performance Testing of a Work Zone Intrusion Alarm System. Transportation Research Record.
2672(16), 57-67.
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Hsieh, E. Y., Ullman, G. L., Pesti, G., & Brydia, R. E.
(2017).
Effectiveness of End-of-Queue Warning Systems and Portable Rumble Strips on Lane Closure Crashes. Journal of Transportation Engineering Part A Systems.
143(11), 04017053.
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Ullman, G. L., Iragavarapu, V., & Brydia, R. E.
(2016).
Safety Effects of Portable End-of-Queue Warning System Deployments at Texas Work Zones. Transportation Research Record.
2555(2555), 46-52.
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Theiss, L., Gillette, G. F., & Ullman, G. L.
(2015).
Improved Bussiness Driveway Channelizing Treatments in Work Zones. Transportation Research Record.
2485(2485), 78-84.
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Theiss, L., Gillette, G., & Ullman, G. L.
(2015).
Measuring drivers' visual attention in work zones. Procedia Manufacturing.
3, 2874-2881.
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Ullman, G. L., & Brewer, M. A.
(2014).
Driver Perceptions of Traffic-Calming Versus Active Enforcement Efforts in Work Zones. Transportation Research Record.
2425(2425), 25-31.
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Songchitruksa, P., Ullman, G. L., & Pike, A. M.
(2011).
Guidance for Cost-Effective Selection of Pavement Marking Materials for Work Zones. Journal of Infrastructure Systems.
17(2), 55-65.
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Ullman, B. R., Ullman, G. L., & Trout, N. D.
(2011).
Driver Comprehension of Messages on Truck-Mounted Changeable Message Signs During Mobile Maintenance Operations. Transportation Research Record.
2258(2258), 49-56.
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Theiss, L., Finley, M. D., & Ullman, G. L.
(2011).
Merging Taper Lengths for Lane Closures of Short Duration. Transportation Research Record.
2258(2258), 64-70.
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Ullman, G. L., Finley, M. D., & Theiss, L.
(2011).
Categorization of Work Zone Intrusion Crashes. Transportation Research Record.
2258(2258), 57-63.
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Ullman, B. R., & Ullman, G. L.
(2010).
Evaluating Innovative Ideas in Pedestrian Signing for Temporary Traffic Control. Transportation Research Record.
2149(2149), 21-29.
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Trout, N. D., Finley, M. D., & Ullman, G. L.
(2010).
Motorist Understanding of Alternative Displays for Speed Limits in Work Zones. Transportation Research Record.
2169(2169), 81-87.
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Finley, M. D., Ullman, G. L., & Nelson, A. A.
(2009).
Path Guidance Information in Advance of Work Zones at Urban Freeway Interchanges. Transportation Research Record.
2122(2122), 45-51.
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Carson, J. L., Anderson, S. D., & Ullman, G. L.
(2008).
Matrix-Based Decision Support Tools for Construction Activities on High-Volume Roadways. Transportation Research Record.
2081(2081), 9-28.
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Ullman, B. R., Ullman, G. L., Dudek, C. L., & Williams, A. A.
(2007).
Driver understanding of sequential portable changeable message signs in work zones. Transportation Research Record.
2015(2015), 28-35.
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Ullman, G. L., Ullman, B. R., & Dudek, C. L.
(2007).
Evaluation of alternative dates for advance notification on portable changeable message signs in work zone's. Transportation Research Record.
2015(2015), 36-40.
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Schrock, S. D., Ullman, G. L., & Trout, N. D.
(2002).
Survey of state law enforcement personnel on work zone enforcement practices. Transportation Research Record.
1818(1818), 7-11.
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Ullman, G. L., Carlson, P. J., & Trout, N. D.
(2000).
Effect of the work zone double-fine law in Texas. Transportation Research Record.
1715(1715), 24-29.
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Ullman, G. L.
(2000).
Special flashing warning lights for construction, maintenance, and service vehicles - Are amber beacons always enough?. Transportation Research Record.
1715(1715), 43-50.
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Trout, N. D., & Ullman, G. L.
(1997).
A special event park-and-ride shuttle bus success story. ITE Journal (Institute of Transportation Engineers).
67(12), 38-+.
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Ullman, G., & Ogden, M.
(1996).
Analysis of Major Freeway Incidents in Houston, Texas. Transportation Research Record.
1554(1554), 221-227.
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Ullman, G., & Rhodes, L.
(1996).
Field Test of a Portable Retroreflectometer for Retroreflective Raised Pavement Markers. Transportation Research Record.
1529(1529), 71-75.
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Ullman, G.
(1996).
Queuing and Natural Diversion at Short-Term Freeway Work Zone Lane Closures. Transportation Research Record.
1529(1529), 19-26.
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Ullman, G. L.
(2023).
Assessment of Driver Distraction at Work Zones with Portable Rumble Strip Deployments in Texas. Transportation Research Record.
2677(3), 1080-1084.
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book
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Ullman, G. L., & Lragavarapu, V.
(2014).
Analysis of Expected Crash Reduction Benefits and Costs of Truck-Mounted Attenuator Use in Work Zones. Ed. 2458.
SAGE Publications.
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Theiss, L., Pratt, M. P., Ullman, G. L., & Maxwell, S. D.
(2014).
Evaluation of Cost-Effectiveness of Steady-Burn Warning Lights in Work Zones. Ed. 2458.
SAGE Publications.
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Theiss, L., Miles, J. D., Ullman, G. L., & Maxwell, S. D.
(2014).
Photometric Evaluation of Steady-Burn Warning Lights in Work Zones. Ed. 2458.
SAGE Publications.
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Ullman, G. L., & Lragavarapu, V.
(2014).
Analysis of Expected Crash Reduction Benefits and Costs of Truck-Mounted Attenuator Use in Work Zones. Ed. 2458.
SAGE Publications.
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conference paper
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Porter, R. J., Mahoney, K. M., & Ullman, G. L.
(2006).
Placement guidance for temporary concrete barriers in construction work zones - Developed with roadside safety analysis. Transportation Research Record.
21-30.
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Dudek, C. L., Schrock, S. D., Ullman, G. L., & Chrysler, S. T.
(2006).
Flashing message features on changeable message signs. Transportation Research Record.
122-129.
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Ullman, G. L., & Rose, E. R.
(2005).
Evaluation of dynamic speed display signs. Transportation Research Record.
92-97.
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Ullman, B. R., Ullman, G. L., Dudek, C. L., & Ramirez, E. A.
(2005).
Legibility distances of smaller letters in changeable message signs with light-emitting diodes. Transportation Research Record.
56-62.
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Ullman, G. L., & Dudek, C. L.
(2003).
Theoretical approach to predicting traffic queues at short-term work zones on high-volume roadways in urban areas. Transportation Research Record.
29-36.
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Dudek, C. L., & Ullman, G. L.
(2002).
Flashing messages, flashing lines, and alternating one line an changeable message signs. Transportation Research Record.
94-101.
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Finley, M. D., Ullman, G. L., & Dudek, C. L.
(2001).
Sequential warning-light system for work-zone lane closures. Transportation Research Record.
39-45.
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Porter, R. J., Mahoney, K. M., & Ullman, G. L.
(2006).
Placement guidance for temporary concrete barriers in construction work zones - Developed with roadside safety analysis. Transportation Research Record.
21-30.
Contact
first name
- Gerald
has last name
- Ullman
mailing address
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Texas A&M Transportation Institute
Work Zone & Dynamic Signs
3135 TAMUS
College Station, TX 77843-3135
USA
Other
- g-ullman@tamu.edu