In Japan, upgrading traffic signals improved travel times by 17 to 21 percent and increased average speed by 19 to 21 percent.
Date Posted
09/21/2000
Japan
Japan
Reduction of Traffic Accidents and Improvement of Road Traffic Produced by 5th Five-Year Project for the Installation and Upgrading of Traffic Safety Facilities (for ITS Deployment in Japan)
Summary Information
The report provided the following statistics from 1991 through 1995 (Japanese fiscal years):
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.
Reduction of Traffic Accidents and Improvement of Road Traffic Produced by 5th Five-Year Project for the Installation and Upgrading of Traffic Safety Facilities (for ITS Deployment in Japan)
Reduction of Traffic Accidents and Improvement of Road Traffic Produced by 5th Five-Year Project for the Installation and Upgrading of Traffic Safety Facilities (for ITS Deployment in Japan)
Source Publication Date
03/02/1998
Publisher
Japan Traffic Management and Technology Association
Goal Areas
Deployment Locations