Overview

Although annual number of road works in 23 wards of Tokyo halved over the ten years from 1992, dissatisfaction among road users continues unabated. To reduce the effects of road works, we are researching and studying the methods to shorten the work period and to alleviate traffic congestion arising from the work..

Features

Road Works Evaluation

As external evaluation to those carrying out road works, we are studying the management of external evaluation that enables the views and wishes of road user on road works.

Technological Solutions and Support for Technology Development

We are researching ways of lessening traffic congestion by road works, including shortening the work period, reducing the amount of digging required, and techniques for minimizing lane closures.

Example trenchless technology (Reinforcing an aging pipeline from a manhole in the sidewalk)		Technical considerations in reducing congestion due to road works (Methods of minimizing road works when replacing overpass)