| Reference Number | Y130304 |
|---|---|
| Title | Study on development of the probe data utilization and data requirements |
| Start-End Date | 2012.4-2014.3 |
| Division | Traffic Engineering Division, Road Department |
| Author | Head, Susumu TAKAMIYA Senior Researcher, Hirotaka SEKIYA Researcher, Keiji MOROTA |
| Summary | This research examined the volume of probe data needed to accurately calculate average travel time. In 2012, a review was conducted based on statistical theory. In 2013, an analysis was conducted based on a field license plate scanning survey data. As a result, the relationship between the volume of probe data and the precision of average travel time was clarified. |