原文传递
Field Manual for the Operation of Advance Warning of End of Green System (AWEGS).
| 题名： | Field Manual for the Operation of Advance Warning of End of Green System (AWEGS). |
| 作者： | S. R. Sunkari; H. A. Charara; J. D. Johnson; |
| 关键词： | advance warning flashers,advance traffic warning devices,traffic actuated control,advanced warning of end of green system(awegs);selected intersections, high speed approaches, implementation project; |
| 摘要： | The objective of this implementation project was to implement four AWEGS across Texas at intersections appropriate for the installation of AWEGS. After a survey across Texas, four sites were chosen in the Atlanta District, Pharr District, Odessa District, and San Antonio District. The AWEGS design plans were prepared for these four sites and submitted to the districts. These design plans were prepared for an intersection with high-speed approaches having the required dilemma zone detection design. The Atlanta District implementation was typical of the earlier implementation and used the TS-2 TS-1 conversion panel. However, the remaining implementations were configured for using enhanced BIUs. AWEGS software was also modified to account for rail preemption as the site in the Odessa District was being preempted by between 15 to 25 trains per day. Finally the implementation in the San Antonio District was redesigned to use radar detection for both dilemma zone and advance detection. AWEGS at the Atlanta, Pharr, San Antonio, and Odessa Districts have been implemented, and an evaluation of the system showed that AWEGS was performing satisfactorily at all sites. / Supplementary Notes: Sponsored by Texas Dept. of Transportation, Austin. Research and Technology Implementation Office. and Federal Highway Administration, Austin, TX. Texas Div. / Availability Note: Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA. |
| 报告类型： | 科技报告 |
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