2005.4-2006.3 Yearbook of NILIM
Research Summary


Road Department

Reference Number Y050412
Title Study on road network management from a viewpoint of road safety
Start-End Date 2004.4-2006.3
Division Advanced Road Design and Safety Division
Author Head, Kuniihko OKA
Senior Researcher, Shinsuke SETOSHITA
Summary By changing the charge of a toll road flexibly, the experiment which traffic converts into a toll road is conducted. The accident reduction effect by road network management became clear by the analysis of traffic and accident data of the road which is parallel with the road where charge discount was carried out.