All: Ramp Metering

Displaying 73 result(s).

Modeling effort shows Active Transportation Management systems can reduce average morning travel time by 21 percent on the I-270 corridor.
Date Posted: 04/16/2019 | 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:
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:
Agencies that manage multimodal transportation corridors can use AMS methodology with ICM decision support systems to facilitate predictive, real-time, and scenario-based decision-making.
Date Posted: 06/21/2018 | 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:
Simulation models show that roadside information used to gap-meter mainline traffic near freeway on-ramps can reduce delays related to merging traffic by 17 to 27 percent.
Date Posted: 03/20/2018 | Source Date:
Ramp metering system improved delay by 25 percent and reduced crashes by 22 percent per ramp meter in Auckland, New Zealand.
Date Posted: 02/20/2018 | Source Date:
Dynamic ramp metering strategies designed to actively counter developing bottlenecks can reduce vehicle delay up to 48 percent.
Date Posted: 04/20/2017 | Source Date:
Future ICM systems will require new technical skill sets. Involve management across multiple levels to help agencies understand each other’s needs, capabilities, and priorities.
Date Posted: 02/17/2017 | Source Date:
Full deployment of comprehensive ITS strategies in Seattle are projected to reduce CO, HC, and NOx emissions by 16 percent, 17 percent and 21 percent, respectively and reduce fuel consumption by 19 percent.
Date Posted: 02/09/2016 | Source Date:
ITS Deployment Evaluation

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1-800-853-1351

its.dot.gov

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U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
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