| Reference Number | Y130303 | 
|---|---|
| Title | Study on road traffic congestion diagnosis and on plan and evaluation of congestion mitigation measures | 
| Start-End Date | 2011.4-2014.3 | 
| Division | Traffic Engineering Division, Road Department | 
| Author | Head, Susumu Takamiya Researcher, Hiroyoshi Hashimoto Guest Research Engineer, Takahiko Yamazaki  | 
  
| Summary | In this research, some methods were developed to identify traffic congestion locations using constant observation data. Work conducted in FY2011-2013 included a study on methods for identifying major traffic congestion locations where travel speed reductions occur and a study on methods for identifying bottleneck intersections. |