[E5] Notice of scheduled renewal work Do-O Expressway

The latest regulatory information isDraTraPlease see.

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NEXCO EAST Hokkaido Regional Head Office (Atsubetsu-ku, Sapporo) is, E5 Do-O Expressway（We would like to inform you of the Expressway renewal construction work that will be carried out from May to July, 2026 on the Dououhoudou (Hokkaido Central Highway). Due to the construction work, lane restrictions will be enforced as follows. Please note that the number of lanes will be reduced.
The renewal work is necessary for the safe and secure use of Expressway. We ask for your understanding and cooperation as we work to minimize inconvenience to our customers.

1. Location Map/Traffic Regulation Schedule

• Saturday, Sunday and public holidays are also regulated all day.
• The traffic regulation period may change depending on the progress of construction.

2. Construction details

All of the construction we will inform you about this time is floor slab replacement work. In this work, the concrete floor slabs that have been damaged due to deterioration and the increase in the number of large vehicles will be replaced with new, more durable prestressed concrete slabs. In addition, high-performance floor slab waterproofing is applied to the waterproof layer to prevent deterioration of the floor slab.

Construction image photograph

3. Requests when using

1. The construction zone will have lane closures all day. We anticipate congestion during morning and evening rush hours and on weekends, so please allow extra time for your journey.
2. Since the lanes and road shoulders are narrow, please observe the speed limit when driving, secure a distance between vehicles, and be careful of rear-end collisions. In addition, lanes will change significantly before and after the restricted section, so please follow the local guidance signs.
3. Vehicles for construction work may enter and leave the area around the construction site, so please be careful when traveling ahead.
4. During the construction period, we will provide traffic congestion information using LED information boards, provide construction regulation information using road information boards and road signs, and call attention to driving safely. Please check this information before driving and drive safely.

Image of information provision image around the construction site

Four. Requests when passing special vehicles

Due to the traffic restrictions, special vehicles exceeding 3.0m in width will not be permitted to pass through this area throughout the entire day. Customers are requested to use alternative routes such as surrounding roads.
Also, regarding special vehicle traffic permits ^(*1), please note that if you have only obtained a permit for Expressway, you will also need to obtain a permit for general roads.

1. What is a special vehicle permit?
   This is a permit required by the Road Act and the Vehicle Restrictions Act for special vehicles that exceed general restrictions (length, weight, width, etc.) to travel on public roads.

5. How to obtain Expressway information

• "DraPla", a site full of useful information on Expressway nationwide
  https://www.driveplaza.com/
• Expressway information service "Drive Traffic (DraTra)"
  Real-time information

  https://www.drivetraffic.jp/

  Construction regulation information

  https://www.drivetraffic.jp/construction-regulation
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  【電話番号】0570-024-024　または　03-5308-2424
• 日本道路交通情報センター（JARTIC）の道路交通情報
  https://www.jartic.or.jp/
  【電話番号】050-3369-6760（北海道地方・高速情報）
• LINE Official Account
  We inform you about the traffic closure situation in NEXCO EAST jurisdiction.
  [Search] Search by "NEXCO EAST"
  [ID] @e-nexco

  

• X (formerly Twitter) official account
  "NEXCO EAST (Hokkaido)" (@e_nexco_kita) provides information on Hokkaido's Expressway.
• Highway radio (AM1620kHz)
  The section on the broadcast is indicated by the signs on the Expressway.