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- Management of road tunnels and others
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Management of road tunnels and others
Last Updated June 28, 2024
About management facilities
Facilities such as road tunnels managed by the Road and Highway Bureau Bridge Section are as follows.
- Tunnel :28 facilities
- Large culverts: 29 facilities
- Calvert :46 facilities
- Shedd : 4 facilities Total 107 facilities (as of April 2024)
About maintenance
For 107 facilities such as road tunnels, periodic inspections have been conducted once every five years since 2014 based on the Road Law.
Based on the results of this periodic inspection, we have formulated the "Yokohama City Road Tunnel and Other Life Extension Repair Plan" and are proceeding with repairs systematically.
"Yokohama City Road Tunnel Life Extension Repair Plan" (Updated June 2024) (PDF: 1,761KB)
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For inquiries to this page
Bridge Division, Road and Highway Bureau Construction Department
Phone: 045-671-2791
Phone: 045-671-2791
Fax: 045-662-3945
Email address: do-kyoryo@city.yokohama.jp
Page ID: 339-411-647