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The research team identified three key findings from the crash data analysis of DallasSource: CRASH ANALYSIS OF SELECTED HIGH-OCCUPANCY VEHICLE (Texas Transportation Institute, 3/30/2005)
corridors with buffer-separated concurrent flow HOV lanes.
- Increase in injury crash rate
- Increase in injury crashes primarily focused in the HOV lane and the adjacent general-purpose lane (Lane 1).
- Increase in injury crashes is likely due to the speed differential between the HOV lane and the general-purpose lanes. The general-purpose lanes experience congestion during peak periods, while the HOV lanes usually operate at the speed limit.[Page 3]
The increase in injury crash occurrences in Dallas corridors with buffer separated HOV lanes is likely due to the speed differential between the HOV lane and the adjacent general-purpose lane. [Page 43]
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