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Loop Line 4 (Kamiseya District)

Last Updated March 8, 2019

Ring Route 4 is a ring road that starts from Rokuura 1-chome, Kanazawa-ku, Yokohama City, and connects the Kuo part of the city, about 36.6 km in length to Tetsumachi, Aoba-ku.
Ring Route 4 (Kamiseya area) was the only undeveloped section out of approximately 23.2 km on the north side of General National Route 1 in Totsuka Ward. It was opened on March 28, 2016.
With this opening, we will switch traffic using city road Gokanme No. 33 from navy roads, etc., and alleviate chronic traffic congestion around the area.

Business Overview
Business DistrictsLoop Line 4 (Kamiseya District)
SectionIn Seya-cho, Kitamachi, Seya-ku
Fiscal yearFrom FY2012 to FY31
ScaleExtended approx. 450m Standard width 18 to 25m
Improvement effect
  • Improvement of transportation convenience and enhancement of transportation functions
    • The current naval road is congested, but the maintenance of Ring Route 4 will allow traffic to be switched, ensuring pedestrian safety and strengthening traffic functions.
  • Optimization of traffic flow
    • By improving Route 4 and increasing traffic capacity, chronic traffic congestion will be eliminated and traffic will be facilitated.
Business Progress Rate※99% (expected at the end of FY2018)
Land acquisition rate※
Current construction
Contract details
No construction is currently under contract.
Related information

※The land acquisition rate indicates the ratio of the acquired area in the business area.
※Business progress rate is shown as the execution rate of total project cost.

Location map

Business segments

Photographs of current status (as of March 2018)
Photo 1Photo 2
Photo 1Photo 2

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For inquiries to this page

Road and Highway Bureau Construction Department, Construction Department

Phone: 045-671-3521

Phone: 045-671-3521

Fax: 045-663-8993

Email address: do-kensetsu@city.yokohama.jp

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Page ID: 584-656-210

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