The study will cover 50 sections on the 37 routes, totalling 1,626 kilometers, according to the ministry.
Excluding the Metropolitan Expressway and the Hanshin Expressway, the program would cover 18 percent of the total length of the nation's expressways, the Land, Infrastructure, Transport and Tourism Ministry said.
All automobiles and motorcycles will be subject to the experiment and tolls will be free 24 hours a day, seven days a week."
The Yomiuri Shimbun
Feb. 3, 2010
http://www.yomiuri.co.jp/dy/business/T100202007059.htm?from=rss&ref=dyolwsj