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Effects of Incidents on Concurrent Flow High Occupancy Vehicle Lane Delay on IH-635 (LBJ Freeway) in Dallas, Texas. Technical rept. Sept 2003-Aug 2004.
| 题名： | Effects of Incidents on Concurrent Flow High Occupancy Vehicle Lane Delay on IH-635 (LBJ Freeway) in Dallas, Texas. Technical rept. Sept 2003-Aug 2004. |
| 作者： | COTHRON, A. S.; FENNO, D. W.; RANFT, S. E. |
| 关键词： | *Reserved-lanes; *Urban-traffic-flow; *Freeways-.;Texas-; Traffic-lanes; Travel-time; Travel-delay; Traffic-congestion; Highway-management; Highway-usage-restrictions; Commuting-patterns. |
| 摘要： | Two goals of a high occupancy vehicle (HOV) lane are to provide travel time savings and a more reliable trip time to its users. Ideally, the travel time on the HOV lane should be less than the travel time on adjacent general-purpose lanes during weekday peak periods. Historically, the calculation of HOV lane travel time and general-purpose lane travel time is done using data collected on days without the occurrence of an incident in the corridor. Realistically, in urban corridors with a lot of congestion, incidents commonly occur and there are few incident-free days. Therefore, a true comparison of HOV lane travel time and general-purpose lane travel time should include data collected on days both with and without incidents. It is likely that travel time benefits of HOV lanes on incident days could far outweigh the benefits on incident-free days. However, in the case of concurrent flow HOV lanes, incidents on the general-purpose lanes can affect the HOV lane as well, particularly when the inside shoulder was removed to allow for the HOV lane. The purpose of this research is to quantify this additional travel time benefit when the HOV lane is not affected by the incident and the decrease in benefit when the HOV lane is affected by the incident. |
| 报告类型： | 科技报告 |
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