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
Identifier
2000-B00116
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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
Author
Saito, Takeshi, et al.
Publisher
Japan Traffic Management and Technology Association
Goal Areas
Deployment Locations