In Japan, a guidance-vehicles system designed to lead traffic through heavy fog on freeways was projected to have a benefit-to-cost ratio ranging from 1.7:1 to 2.1:1. Content type Benefit Date Posted 06/13/2001 Taxonomy (ARC-IT) Transit Vehicle at Station/Stop Warnings (PT12), Vehicle Turning Right in Front of a Transit Vehicle (PT13), Autonomous Vehicle Safety Systems (VS01), V2V Basic Safety (VS02) Geolocation links Oita, Japan | Kanetsu, Japan