ARC-IT Topics

Commercial Vehicle Operations
 
Data Management
 
Maintenance and Construction
 
Parking Management
 
Public Safety
 
Public Transportation
 
Support
 
Sustainable Travel
 
Traffic Management
 
Traveler Information
 
Vehicle Safety
 
Weather
 

All: Variable Speed Limits (TM20)

Displaying 70 result(s).

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:
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:
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:
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:
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:
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:
The Distance Between Consecutive Variable Speed Advisory (VSA) Signs Installed on State Highways Should Not Be Greater Than One-Half Mile According to a Caltrans Field Study.
Date Posted: 10/22/2021 | Source Date:
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:
Crashes during Snow Events Declined 42 Percent after Winter Season Variable Speed Limit Corridor Implementation in Ohio.
Date Posted: 06/21/2021 | Source Date:
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:
ITS Deployment Evaluation

INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE

1200 New Jersey Avenue, SE
Washington, DC 20590

1-800-853-1351

its.dot.gov

Focus Areas

Benefits

Costs

Deployment Statistics

Briefings

Lessons Learned

ITS Taxonomy

Database Tutorial

Contact

Topics

Commercial Vehicle Operations

Data Management

Maintenance and Construction

Parking Management

Public Safety

Public Transportation

Support

Sustainable Travel

Traffic Management

Traveler Information

Vehicle Safety

Weather

 

U.S. Department of Transportation Office of the Assistant Secretary for Research and Technology (OST-R)
 
 
Web Policies and Notices | Accessibility | Careers | FOIA | Privacy Policy | Information Quality | No FEAR Act Data | Ethics
Civil Rights | Office of Inspector General | OIG Hotline | BusinessUSA | USA.gov | White House