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In Torino, Italy, a simulation study found that an automated speed control system designed to optimize vehicle speeds between green lights can increase link capacity by 3.3 to 6.3 percent.
RESULTS
Field Trial Results
System Reliability – 75 percent of the drivers indicated the vehicles had a sufficient level-of-service.
Simulation Results
TLC increased link capacity by 3.3 to…
Content type
Date Posted
06/19/2001
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16),
Freight Administration (CVO02),
Eco-Approach and Departure at Signalized Intersections (ST08)
Geolocation links
In Torino, Italy, a simulation study found that an automated speed control system designed to optimize travel speeds between green lights can reduce fuel consumption by 8.3 to 13.8 percent, reduce CO2 emissions by 3.9 to 5.4 percent; reduce hydrocarb
RESULTS
Simulation Results
Pollutant Estimation – TLC reduced carbon dioxide emissions by 3.9 to 5.4 percent; reduced hydrocarbon emissions by 4.2 to 6.9 percent; and reduced nitrogen oxides…
Content type
Date Posted
06/19/2001
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16),
Freight Administration (CVO02),
Eco-Approach and Departure at Signalized Intersections (ST08)
Geolocation links
In Torino, Italy, an automated speed control system designed to optimize travel speeds between green lights was judged as good or very good by 55 percent of drivers surveyed.
RESULTS
Field Trial Results
System Reliability – 55 percent of the drivers judged the system as good or very good.
Reliability – The readability of the UDC display was generally assessed as…
Content type
Date Posted
06/19/2001
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16),
Freight Administration (CVO02),
Eco-Approach and Departure at Signalized Intersections (ST08)
Geolocation links
In Torino, Italy, an automated speed control system was able to automatically adjust vehicle following distances, and use real-time TMC signal control timing data to regulate intersection approach speeds and optimize travel speeds between green light
RESULTS
Field Trial Results
Travel Time – S&G applications caused a 10 percent increase in travel time. Less of an increase was observed for TLC applications.
Simulation Results
TLC…
Content type
Date Posted
06/19/2001
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01),
Infrastructure Enhanced Cooperative Adaptive Cruise Control (VS15),
Automated Vehicle Operations (VS16),
Freight Administration (CVO02),
Eco-Approach and Departure at Signalized Intersections (ST08)
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
