All: Variable Speed Limits

Displaying 29 result(s).

Variable speed limit system in a freeway connected vehicle environment yielded travel time savings of 30 to 80 hours compared to traditional vehicles.
Source Date:
In a recurring congestion scenario, ramp metering, variable speed limits, and hard shoulder running found to improve corridor travel time and network performance by 5 to 16 percent.
Date Posted: 12/26/2018 | Source Date:
Variable Speed Limits (VSL) cut crash rates by more than half during low visibility on I-77 in Virginia.
Date Posted: 12/26/2018 | Source Date:
Ramp metering and dynamic speed limits shown to reduce congestion and shorten average travel times by about 2.5 minutes on a 7.8 km stretch of the A25 motorway in France.
Date Posted: 09/26/2018 | Source Date:
An implementation of proactive variable speed limits (VSL) was simulated to reduce critical traffic conditions by 39 percent.
Date Posted: 08/30/2018 | Source Date:
Dynamic Speed Limit Systems in Belgium found to have decreased the number of injury crashes by 18 percent.
Date Posted: 06/05/2018 | Source Date:
When combined, ramp metering and variable speed limits may reduce conflicts by 16.5 percent and crash odds by 6.0 percent in weaving segments.
Date Posted: 03/20/2018 | Source Date:
Variable speed limit systems reduced the number and severity of crashes at three pilot sites in Texas. Benefit-to-Cost ratios ranged from 7:1 to 14:1.
Date Posted: 09/15/2017 | Source Date:
Variable speed limit system site selection should be rigorous and incorporate analysis of existing speed profiles and roadway ingress/egress characteristics to assure proper spacing of VSL systems and sensor inputs.
Date Posted: 09/15/2017 | Source Date:
Variable Speed Limit model yields up to 42.4 percent reduction on number of vehicle stops and 17.6 percent reduction on the average travel time.
Date Posted: 07/31/2017 | Source Date:
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