Ullman, G. L., Brydia, R. E., Ruback, L. G., Voigt, A. P., & Arrington, D. R. (2016). Construction and installation of travel time signs on I-35 in Austin (Report No. FHWA/TX-16/5-9049-05-1). Texas A&M Transportation Institute. https://rosap.ntl.bts.gov/view/dot/31244
Ullman, Gerald L., Robert E. Brydia, Leonard G. Ruback, Anthony P. Voigt, and Dusty R. Arrington. Construction and installation of travel time signs on I-35 in Austin. Report no. FHWA/TX-16/5-9049-05-1. Texas A&M Transportation Institute, 2016. https://rosap.ntl.bts.gov/view/dot/31244.
Ullman, Gerald L., et al. Construction and installation of travel time signs on I-35 in Austin. Texas A&M Transportation Institute, 2016, Report no. FHWA/TX-16/5-9049-05-1, ROSA P. https://rosap.ntl.bts.gov/view/dot/31244.
Dynamic travel time signs (DTTS) provide current travel times to a specific destination via one or more
;
routes. These signs aid motorists in making route choice decisions en route. Through this project, three
;
DTTS were fabricated and installed on I-35 in Austin, TX. Two signs were located southbound on overhead
;
sign bridges at global positioning system coordinates 30.745981, −97.636638 and at 30.515859, −97.687471.
;
The third sign was located northbound at coordinates 30.02644, −97.851073.
Ullman, G. L., Brydia, R. E., Ruback, L. G., Voigt, A. P., & Arrington, D. R. (2016). Construction and installation of travel time signs on I-35 in Austin (Report No. FHWA/TX-16/5-9049-05-1). Texas A&M Transportation Institute. https://rosap.ntl.bts.gov/view/dot/31244
Ullman, Gerald L., Robert E. Brydia, Leonard G. Ruback, Anthony P. Voigt, and Dusty R. Arrington. Construction and installation of travel time signs on I-35 in Austin. Report no. FHWA/TX-16/5-9049-05-1. Texas A&M Transportation Institute, 2016. https://rosap.ntl.bts.gov/view/dot/31244.
Ullman, Gerald L., et al. Construction and installation of travel time signs on I-35 in Austin. Texas A&M Transportation Institute, 2016, Report no. FHWA/TX-16/5-9049-05-1, ROSA P. https://rosap.ntl.bts.gov/view/dot/31244.
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ensure public access to scientific information.
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