Displaying 1 - 10 of 17

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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.

FINDINGS Average travel time was reduced with each implementation of ATM measures. The travel time differences of 95 seconds (when passing from No Control to Ramp Metering) and 56 s (when passing…
Content type
Date Posted
09/26/2018

Adaptive cruise control and forward collision warning systems can reduce harsh braking events by 67 percent.

FINDINGSSummary findings from the source report are shown below.Vehicle typeRoad typeUsage (portion of the total driving in treatment)Changes between baseline and treatment in safety related measures…
Content type
Date Posted
10/22/2014

Adaptive cruise control can reduce fuel consumption by 2.8 percent on highways.

Data used to evaluate efficiency and environmental impacts of ACC and FCW were collected from 242 drivers (64 Volvo car drivers, 88 Ford drivers, 26 Volkswagen drivers, 58 Volvo truck drivers, 6 MAN…
Content type
Date Posted
10/22/2014

Almost 80 percent of drivers in a large-scale field operational test felt that adaptive cruise control increased driver comfort and safety.

FINDINGSFindings from the source report on Adaptive Cruise Control are identified below.Adaptive Cruise ControlOverall acceptance was very high and remained stable throughout the post deployment test…
Content type
Date Posted
10/22/2014

70 percent of drivers in a large-scale field operational test felt that forward collision warning systems increased safety.

FINDINGSFindings from the source report on Forward Collision Warning are identified below.Forward Collision WarningApproximately 70 percent of drivers felt the system increased safety.Initially,…
Content type
Date Posted
10/22/2014

Drivers surveyed on Speed Limiter and Cruise Control systems in a large-scale field operational test reported 46 and 80 percent, respectively, that the systems will improve safety.

FINDINGSFindings from the source report on Speed Limiter and Cruise Control are identified below.Speed Limiter and Cruise ControlDrivers had positive expectations for both systems and these…
Content type
Date Posted
10/22/2014

Drivers in a large-scale field operational test found Lane Departure Warning systems were more useful during night driving.

FINDINGSFindings from the source report on Lane Departure Warning are identified below.Lane Departure WarningDriver satisfaction was relatively low, however, expectations were low prior to field…
Content type
Date Posted
10/22/2014