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Benefits: Variable Speed Limits (TM20)

54 unique benefits found.

A variable speed limit system deployed at a work zone on I-96 in Lansing, Michigan contributed to a decrease in travel times and an increase in average speeds.
Date Posted: 02/09/2007 | Source Date:
A variable speed limit system deployed at a work zone on I-96 in Lansing, Michigan contributed to a decrease in the number of high-speed vehicles in the work zone.
Date Posted: 02/09/2007 | Source Date:
In Salt Lake City, Utah the ADVISE fog warning system tested on a two-mile section of I-215 promoted more uniform traffic flow, reducing vehicle speed variability by 22 percent while speeds increased 11 percent.
Date Posted: 03/23/2005 | Source Date:
On the Køge Bugt Motorway in Copenhagen, Denmark, variable speed limits reduced vehicle speeds by up to 5 km/h and contributed to smoother traffic flow during peak periods.
Date Posted: 11/13/2003 | Source Date:
A survey of motorists in Copenhagen, Denmark, found that 80 percent of respondents were satisfied with variable speed limits and the traveler information posted on dynamic message signs.
Date Posted: 11/13/2003 | Source Date:
A study of travelers on Snoqualmie Pass, WA found that DMS can decrease mean driving speeds and reduce accident severity.
Date Posted: 08/05/2002 | Source Date:
In Finland, a road weather information system with variable speed limit signs was projected to yield a benefit-to-cost ratio ranging from 0.6:1 to 1.6:1 depending on the influence of the system on vehicle speeds and crash rate.
Date Posted: 01/15/2001 | Source Date:
In Finland, road weather information posted on dynamic message signs was well perceived and remembered by surveyed drivers; 90 percent deemed variable speed limit signs useful.
Date Posted: 01/15/2001 | Source Date:
In Finland, a road weather information system with variable speed limit signs was projected to decrease the average vehicle speed by 0.4 to 1.4 percent and reduce the annual crash rate by 8 to 25 percent.
Date Posted: 01/15/2001 | Source Date:
In Tennessee, a fog detection and warning system implemented in 1994 significantly improved safety as no fog-related accidents have occurred since implementation.
Date Posted: 01/01/2001 | Source Date:
ITS Deployment Evaluation

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Commercial Vehicle Operations

Data Management

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Parking Management

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Support

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Traffic Management

Traveler Information

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