Section4 Increasing the Efficiency of Administration and Road Management

Information Networks and Advanced Databases

Advanced road management - real-time road management

Displacement measurements using optical waves

Large-scale failure of the rock bed is apprehended to occur along National Highway No. 45 in Moshi District, Iwaizumi-cho, Iwate Prefecture. The Sanriku National Highway Work Office conducted emergency works to protect slopes from falling and is monitoring the behavior and displacement of the rocks using electro-optical distance meters.

[Sanriku National Highway Work Office, Tohoku Regional Development Bureau, Ministry of Land, Infrastructure and Transport]

Electro-optical distance meter

Photo image:Electro-optical distance meter

Slope protected in emergency

Photo image:Slope protected in emergency


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