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Simulation models show that real-time on-board driver assistance systems that recommend proper following distances can improve fuel economy by approximately 10 percent.
FINDINGS
In general, the modeling effort indicated that predictive control systems can improve fuel economy. Average results from different vehicles under different conditions indicated the system…
Content type
Date Posted
08/24/2010
Taxonomy (ARC-IT)
Broadcast Traveler Information (TI01),
Integrated Decision Support and Demand Management (TM09),
Eco-Approach and Departure at Signalized Intersections (ST08),
Freight Administration (CVO02),
Autonomous Vehicle Safety Systems (VS01)
Geolocation links
A personalized travel planning system helps commuters choose environmentally friendly routes and modes; reduces carbon dioxide emissions by 20 percent.
FINDINGS
By the end of the pilot program, participants who used the system were generating approximately 20 percent fewer carbon dioxide emissions compared to their emissions at the beginning of the…
Content type
Date Posted
08/13/2010
Taxonomy (ARC-IT)
Transit Traveler Information (PT08),
Transit Pedestrian Indication (PT11),
Personnel Device Maintenance (SU13),
Broadcast Traveler Information (TI01),
Trip Planning and Payment (TI04),
Personalized Traveler Information (TI02)
Geolocation links
An evaluation of electronic stability control (ESC) and crash data from the Institute for Traffic Accident Research and Data Analysis indicated that the crash rate for single-car crashes and head-on crashes decreased by about 36 percent where ESC was
RESULTSThe research revealed that the crash rate decreased by about 36 percent in the segments of single-car crashes and head-on crashes where ESC is expected to be effective.For those crashes…
Content type
Date Posted
09/08/2008
Taxonomy (ARC-IT)
Autonomous Vehicle Safety Systems (VS01)
Geolocation links
In Japan, upgrading traffic signals improved travel times by 17 to 21 percent and increased average speed by 19 to 21 percent.
Traffic signal upgrades
Improved travel time by about 17 to 21 percent on each project.
Average travel speed improved from 27.4km/h to 32.6km/h, and from 28.7km/h to 34.8km/h after upgrading.…
Content type
Date Posted
09/21/2000
Taxonomy (ARC-IT)
Traffic Signal Control (TM03),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
Installing new traffic signals in Japan reduced crash frequency by 75 to 78 percent and upgrading existing traffic signals reduced accidents up to 65 percent.
New installation of traffic signals
Reduced the number of traffic accidents by 75 to 78 percent.
Reduced accidents between pedestrians and vehicles by 87 percent.
Reduced total…
Content type
Date Posted
09/21/2000
Taxonomy (ARC-IT)
Traffic Signal Control (TM03),
Integrated Decision Support and Demand Management (TM09)
Geolocation links
INTELLIGENT TRANSPORTATION SYSTEMS JOINT PROGRAM OFFICE
1200 New Jersey Avenue, SE
Washington, DC 20590
