The latest regulatory information is DraTra Please see.

NEXCO EAST Yamagata Management Office (Yamagata City, Yamagata) E48 Yamagata Expressway From Sekizawa Interchange (IC) to Sasaya IC (In-bound line), carry out day and night continuous lane regulation due to renewal work of dilapidated tunnels from March 9 (Monday) We are. The day and night continuous lane regulation is scheduled until December 25, so we will inform you again about the implementation schedule after August.
We apologize for the inconvenience during the construction period, but we will implement continuous day and night lane regulations (excluding Saturdays, Sundays, and holidays) for a long period of time, so if you use this section, please try to drive more safely. Thank you.
In addition, although we do not anticipate the occurrence of traffic congestion due to this day and night continuous lane regulation, we will post traffic information on websites such as "DraTra" during the construction period, so Expressway Please check before using the service.
Expressway This is necessary work to keep the network function healthy for a long time. We will do our best to minimize inconvenience to our customers, and we ask for your understanding and cooperation.

1. Construction section

Yamagata Expressway Sekizawa IC → Sasaya IC (In-bound line)

2. Construction section

Day and night continuous lane regulation period 2020 August 3 Monday-December 25th Friday

3. Traffic restrictions

Upon tunnel reinforcement work, until the regulation removal date from 18:00 on weekdays regulation start date 5:00 In-bound to regulate the driving lane or overtaking lane of the line, the number of lanes has been reduced from two lanes to one lane.

4. Construction overview

Yamagata Expressway About 39 years have passed since the Sasaya tunnel located between Sekizawa IC and Sasaya IC was opened, and water leaks from the tunnel linings have taken place. need to do it.
Expressway Reinforce aging Sasaya tunnel lining to keep network functioning healthy for a long time.

5. Requests for use

1. Over the course of the construction work, the existing 2 lanes on each side have been reduced to 1 lane over the course of approximately 5 km, and one lane on each side has been regulated for day and night. During the construction period, traffic congestion is not expected due to the day and night continuous lane regulations excluding Saturdays, Sundays, and holidays. , Please make sure you have enough time to go before using.
2. Since the lane is narrowed in the lane restricted section, please observe the regulation speed when traveling, ensure enough distance between the cars, and pay close attention to rear-end accidents etc.
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 construction regulation information using road information boards and road signs and call for caution to drive safely. Before riding, please check the above information before riding safely.
5. Before going out, please check the latest traffic information on websites such as "DraTra".
6. ◆ Photograph of information provided around the construction site

6. Efforts to minimize inconvenience to customers due to construction work

Strengthening of information provision

In addition to the information board (electric bulletin board) on the Expressway, we will inform you in advance about the content of the regulation by radio CM mainly in Yamagata Prefecture, install a standing signboard at the rest facility and a banner/hanging banner on the main line. It is posted.

Notification contents

Expressway information such as traffic congestion

NEXCO EAST Road Traffic Information Site "DraTra" provides real-time traffic information.

[PC] https://www.drivetraffic.jp/

[Mobile] http://m.drivetraffic.jp/

7. How to get traffic information

• Official Twitter account "NEXCO EAST (Tohoku)" (＠E_nexco_tohoku) Also delivers information.