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RAILROAD DELAY ADVANCE WARNING SYSTEM (ADVANCE WARNING TO AVOID RAILROAD DELAYS) (AWARD) MODEL DEPLOYMENT INITIATIVE SYSTEM DESIGN DOCUMENT. VERSION 1.0.
| 题名： | RAILROAD DELAY ADVANCE WARNING SYSTEM (ADVANCE WARNING TO AVOID RAILROAD DELAYS) (AWARD) MODEL DEPLOYMENT INITIATIVE SYSTEM DESIGN DOCUMENT. VERSION 1.0. |
| 关键词： | Advance-Warning-to-Avoid-Railroad-Delays-AWARD; Advanced-traveler-information-systems; Computer-algorithms; Computers-; Databases-; Emergency-vehicles; Freeways-; Frontage-roads; Highway-traffic; Peak-hour-traffic; Railroad-grade-crossings; Railroad-trains; Railroads-; Route-guidance; Sensors-; Software-; Speed-; Stopped-time-delay; System-design; Traffic-congestion; TransGuide-; Travelers-; Urban-areas |
| 摘要： | The Advance Warning to Avoid Railroad Delays (AWARD) system is an Advanced Traveler Information Service (ATIS) implementation designed to help motorists and emergency response vehicles avoid delays due to railroad operations that cross freeway access frontage roads. Railroad operations in urban areas are usually carried out at low speeds which can result in grade crossings being closed to vehicular traffic for several minutes. In high traffic areas and during peak traffic times, closing a frontage road for several minutes can prevent traffic from entering a freeway and can also block exiting traffic. Eventually this can result in traffic congestion on feeder roads and in the exiting lanes of the freeway. The AWARD system includes sensors to detect the presence and characteristics of trains operating in affected areas and computer algorithms to predict the time and duration of blockage of grade crossings at or near freeway exits and entrances. The AWARD system is integrated with TransGuide operations to provide advance knowledge of train operations and allow motorists and emergency vehicles to select different freeway exits or entrances or choose alternate routes to avoid congestion. The AWARD system includes sensors at selected locations along the Union Pacific Kerrville line track near IH 10. Trains on this section of track operate at speeds of approximately 10 mph and can block freeway access at several frontage road locations for periods of over five minutes. The sensors measure the speed of trains approaching grade crossings and transmit speed information to a central computer at the TransGuide facility. Computer algorithms predict the time and duration that selected grade crossings will be blocked and provide this information to TransGuide operators, motorists, and emergency operations through other Model Deployment Initiative (MDI) components including the Automatic Route Guidance System, the Traveler Advisory Information System, and the Area Wide Database. The system hardware and software are designed to allow expansion for additional sensor and grade crossing locations in the future. |
| 总页数： | 1998/03/25. pp172 (76 Ref., 69 Tab.) |
| 报告类型： | 科技报告 |
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