(Dec. 10, 2010)--A survey conducted for the City of San Antonio by Kimley-Horn Associates resulted in traffic signal timing adjustments and reduced travel times at eight intersections near the UTSA Main Campus.
Based on the final report released last summer, signal timing adjustments completed on UTSA Boulevard from Roadrunner Way to Valero Way resulted in travel time reductions up to 26 percent. The timing adjustments also will result in estimated collective savings of $400 per weekday or $100,000 annually, based on 1.2 average vehicle occupancy.
Surveys were done before and after the timing adjustments in morning peak, noon and evening peak periods analyzing eastbound and westbound traffic. UTSA Boulevard signal timing adjustments decreased travel time 11 percent during morning peak, 26 percent during the noon period and 6 percent during afternoon peak.
Based on the survey, traffic signal timing was optimized at eight intersections:
During the morning peak at the Babcock and Hausman intersections, overall travel times were reduced. During the morning peak, a 28-second travel-time increase in lighter westbound traffic was more than offset by a 75-second travel-time decrease in heavier eastbound traffic. Conversely, during the afternoon peak, a 40-second increase in westbound travel time was offset by a 74-second decrease in eastbound travel time.
Before the timing adjustments, the four intersections along UTSA Boulevard (not including the Babcock intersection) ran in coordinated (interconnected and sequenced) mode during morning and afternoon peaks on a 120-second cycle. The three intersections along Hausman also ran in coordinated mode in the same periods on a 140-second cycle. At all other times, however, those seven intersections ran in free mode. The Babcock and UTSA Boulevard intersection ran in free mode at all times. "Free mode" indicates a signal is timed, but also has demand sensors (push-to-walk buttons and pavement sensors) to activate light changes.
In consideration of the survey results, all eight intersections now are on free mode from approximately 6:15 p.m. to 7 a.m. on weekdays and 6:15 p.m. to noon on Saturday and Sunday. At peak times, timing is adjusted to facilitate faster traffic flow.
According to the study, traffic at the eight intersections is above roadway capacity with Babcock at Hausman designated the most critical area. The study recommends upgrading both roadways to two lanes per direction with either four-lane divided or five-lane undivided intersections.
As an interim measure, the study recommends adding left-turn lanes at three intersections (listed in priority order):
For more information, contact Robert Hudson, lieutenant in the UTSA Police Department, at 210-458-4421.
The UTSA Department of Physics and Astronomy, Curtis Vaughan Observatory invites everyone to join them for their monthly stargazing event on top of the Flawn Science Building.
Curtis Vaughan Observatory, Main Campus
May’s Free Second Sunday at the UTSA Institute of Texan Cultures features "Accordions Across Cultures," with performances of Mexican, German and Czech accordion music, a documentary screening and crafts for the kids.
UTSA Institute of Texan Cultures
This three-day event will focus on the tools, tactics and motives involved in computer and network attacks. Attendees from around the world will take part in world-class hands-on trainings and technical discussions.
H-E-B University Center Ballroom, Main Campus
Visit with faculty, alumni and students to discuss the benefits of and requirements for a Master Degree in Public Administration and/or the Graduate Certificate in Nonprofit Administration & Leadership.
Meeting Assembly Room (BVB 1.338), Downtown Campus
UTSA Spring Commencement ceremony for the College of Architecture, Construction and Planning, the College of Education and Human Development and the College of Sciences.
UTSA Spring Commencement ceremony for the College of Business, the College of Public Policy and University College.
UTSA Spring Commencement ceremony for the College of Engineering and the College of Liberal and Fine Arts.
The UTSA community is invited to honor the roughly 2,600 UTSA staff members who contribute to the success of the university and its students.
H-E-B University Center Ballroom, Main Campus
Join UTSA faculty and staff, current students, and area central office administrators/program alumni to learn about this exciting accelerated and web-enhanced program leading to Texas Superintendent Certification. The event is free and open to the public.
BVB 1.322, Downtown Campus
After reaching mandatory retirement, veteran pursues engineering degrees at UTSA
The University of Texas at San Antonio is dedicated to the advancement of knowledge through research and discovery, teaching and learning, community engagement and public service. As an institution of access and excellence, UTSA embraces multicultural traditions and serves as a center for intellectual and creative resources as well as a catalyst for socioeconomic development and the commercialization of intellectual property - for Texas, the nation and the world.
To be a premier public research university, providing access to educational excellence and preparing citizen leaders for the global environment.
We encourage an environment of dialogue and discovery, where integrity, excellence, inclusiveness, respect, collaboration and innovation are fostered.