NEXCO EAST Kanto Regional Head Office (Taito-ku, Tokyo) will close the Yokohama Yokosuka Road Sawara Interchange (IC) and Mabori Kaigan IC at night for inspection of road accessories in the tunnel.

We sincerely apologize for the inconvenience, but we ask for your understanding and cooperation so that you may have some time when you go out.

1 Closing date and time and section

Yokohama Yokosuka Road between Sawara IC and Mabori Kaigan IC (extension: 4.6km)
From Thursday, December 20, 2012, 23:00 to 5:00 the next morning

• Even in stormy weather, we will carry out night traffic closures.

2 Detour

For detours, Attachment-1 [PDF: 325KB] Please refer to.

3 Outline of inspection

From the Ministry of Land, Infrastructure, Transport and Tourism About simultaneous inspection of road accessories in the tunnel Based on the instructions of “”, the road is examined by close visual inspection, tapping, palpation, etc. of anchor bolts, nuts, joints, etc., centering on the attachment parts of road accessories (information boards, sign boards, lighting, etc.) in the tunnel. Check the accessories for damage and abnormalities.

In order to minimize the impact of inspections on customers, we will carry out traffic closures at night when traffic is light, and carry out intensively and efficiently.

4 How to get traffic information

(1) Traffic signs, etc.

(2) Road traffic information that can be obtained before going out

(3) Traffic information available while using the Expressway