Tohoku area
Expressway
Make it more convenient.
Tohoku Area Expressway
Four-lane expansion project
Latest information
- Notice
- Press conference
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Community interaction
Site visit to the E6 Joban Expressway 4-lane expansion construction site (Iwaki Agricultural High School and Taira Technical High School)
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Construction progress
Construction progress has been updated (as of October 2025).
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Community interaction
I participated in the safety prayer ceremony for the construction of the Shiroishi Chuo Smart Interchange on the E4 Tohoku Expressway.
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Community interaction
A parent-child site visit was held at the construction site of the Kurihara Interchange on the E4 Tohoku Expressway (tentative name).
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Community interaction
We held a pre-opening event for the E6 Joban Expressway Onahama Road (Iwaki Onahama Interchange).

Business overview and maintenance effect
Expected benefits of widening the Tohoku area to four lanes
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Tohoku area
Map of the 4-lane expansion project
An introduction to the four-lane expansion project in the Tohoku area implemented by NEXCO EAST
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