Tokyo Outer Ring Road (Chiba Section) Development Effects Five Years After Opening
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- Business guide
- Road construction business
- Maintenance effect after opening
- Tokyo Outer Ring Road (Chiba Section) Development Effects Five Years After Opening
- Select from case studies
Five years after the opening of the Tokyo Outer Ring Road (Chiba Section), which opened on June 2, 2018, we have summarized the development effects on the economy and the region.

- Tokyo Outer Ring Road (Chiba Section) Development Effect 5 Years After Opening [Overall Version] [PDF: 8.9MB]
- Outline of Tokyo Outer Ring Road (Chiba Section) [PDF: 879KB]
- Effects on the economy [PDF: 1.5MB]
- The economic effect is expected to be about 90 billion yen annually, mainly for municipalities along the route (Ichikawa City, Matsudo City, Funabashi City), and when the three ring roads are completed in the future, the economic effect is expected to be about 1.0 trillion yen annually.
- In municipalities along the railway line (Ichikawa City, Matsudo City, Funabashi City), land prices for industrial land rose by about 30%, property taxes (land, houses, depreciable assets), and the number of employees (transportation and postal businesses) increased. about 5% increase
- Effects on wide areas [PDF: 968KB]
- The traffic volume on the Central Circular Route will decrease by up to 30% due to traffic diversion, etc., and the congestion loss time inside the Central Circular Route (including the Central Circular Route) will decrease by about 20% compared to before the opening.
- About 80% of people used the detour route on the day of the Tokyo Metropolitan Expressway accident, shortening the time by about 52 minutes.
- Time required between points connected by opening (Takaya JCT → Misato JCT) shortened by about 20 minutes
- Effects on the region [PDF: 1.9MB]
- About 80% of the north-south traffic in the region uses National Route 298, reducing traffic volume by about 20%.
- About 90% of residents living along the lines feel that the average travel time on the Ichikawa Matsudo Line has been shortened by about 20%.
- Traffic volume on community roads that were used as detours decreased by about 40%, contributing to improved safety
- Voices of the surrounding area [PDF: 542KB]
- Changes in Expressway use [PDF: 442KB]
- Realize the effects of maintenance not only in Chiba Prefecture but also in the Tokyo metropolitan area [PDF: 364KB]
Reference material
- [Reference] Changes in Expressway traffic volume [PDF: 522KB]
- [Reference] Changes in general road traffic [PDF: 548KB]
- [Reference] Changes in traffic volume on community roads [PDF: 554KB]
- [Reference] Further business development [PDF: 918KB]
Click here for past maintenance effects (March 2018-January 2019)

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