| ITS Deployment Evaluation

Benefits: Variable Speed Limits (TM20)

51 unique benefits found.

An Implementation of Proactive Variable Speed Limits (VSL) Was Simulated To Reduce Critical Traffic Conditions by 39 Percent.

Date Posted: 08/17/2022 | Source Date:

Variable speed limits for motorway off-ramp queue protection

02/02/2018

Before-and-After Study of Freeway Variable Speed Limit Installations Estimated Crash Reductions of 34 Percent in Wyoming and 29 Percent in Georgia.

Date Posted: 06/16/2022 | Source Date:

Developing Crash Modification Factors for Variable Speed Limits

05/01/2021

Simulation Study of a Multi-Segment Variable Speed Limit Control Strategy Finds an Overall 14 Percent Reduction in Fuel Consumption and an Increase in Travel Time of 9 Percent.

Date Posted: 05/25/2022 | Source Date:

Get More Out of Variable Speed Limit (VSL) Control: An Integrated Approach to Manage Traffic Corridors with Multiple Bottlenecks

10/01/2020

Simulation Study Finds That an Optimized Variable Speed Limit and Ramp Metering Strategy Could Reduce Overall Travel Time at Two Merge Bottlenecks by 3 to 4 Percent.

Date Posted: 03/23/2022 | Source Date:

Implementation of a Variable Speed Limit/Ramp Metering Strategy to Increase Freeway Capacity at Metered On-Ramps

10/01/2020

Changing Variable Speed Limit Signs from White to Amber Legend Decreased Crashes by Approximately 50 Percent and Increased Driver Compliance by Nine Percent in Utah.

Date Posted: 02/24/2022 | Source Date:

I-80 Hybrid Regulatory Speed Limit Signing Design and VSL System Evaluation

02/01/2021

Simulation Study Estimates a Combination of Connected Vehicle Control and Variable Speed Limit Strategies Can Reduce Rear-End Crash Risk under Fog Conditions by 48.7 Percent.

Date Posted: 02/21/2022 | Source Date:

The Impact of Connected Vehicle Market Penetration and Connectivity Levels on Traffic Safety in Connected Vehicles Transition Period

08/01/2018

Simulation Study Estimates That a Fleet of Connected Vehicles Would Improve Safety Benefits from Weather-Responsive Traffic Management by 20 Percent in Severe Weather, As Measured by Inverse Time-to-Collision.

Date Posted: 02/18/2022 | Source Date:

Implementation of Analysis, Modeling, and Simulation Tools for Road Weather Connected Vehicle Applications Project Report

11/01/2020

Field Tests on State Route 78 in California Showed That Variable Speed Advisory (VSA) Signs Can Increase Average Travel Speeds by 8.71 Percent During Morning Peak Hours.

Date Posted: 10/22/2021 | Source Date:

Field Experiment of Variable Speed Advisory (VSA)

09/25/2018

Crashes during Snow Events Declined 42 Percent after Winter Season Variable Speed Limit Corridor Implementation in Ohio.

Date Posted: 06/21/2021 | Source Date:

Lake 90 Variable Speed Limit Corridor

05/20/2020

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:

Impacts of the I-77 Variable Speed Limit System on Speed and Crash Characteristics During Low Visibility Conditions

09/02/2018