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Effects of Incidents on Concurrent Flow High Occupancy Vehicle Lane Delay on IH-635 (LBJ Freeway) in Dallas, Texas.
| 题名： | Effects of Incidents on Concurrent Flow High Occupancy Vehicle Lane Delay on IH-635 (LBJ Freeway) in Dallas, Texas. |
| 作者： | COTHRON, A. S.; FENNO, D. W.; RANFT, S. E. |
| 关键词： | FREEWAYS; RESERVED LANES; URBAN TRAFFIC FLOW |
| 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 |
相关文献
- 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.
- Assessment and Validation of Managed Lanes Weaving and Access Guidelines. Technical rept. Sept. 2006-Aug 2008.
- TXDOT Administration Research: Tasks Completed FY 2012.
- Concept of Operations for the US-75 Integrated Corridor in Dallas, Texas.
- COST-EFFECTIVENESS OF HIGH-OCCUPANCY VEHICLE LANES IN TEXAS.
- Guidance for Future Design of Freeways with High-Occupancy Vehicle (HOV) Lanes Based on an Analysis of Crash Data from Dallas, Texas.
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