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NEXCO EAST Sendai Management Office (Sendai City, Miyagi Prefecture) E4 Enforcement of face-to-face traffic control all day long from May 22 (Wednesday) due to floor slab replacement work of the dilapidated Sakogawabashi between the Tohoku Expressway Tsukidate Interchange (IC) and Wakayanagi Kanari IC To do. Congestion during the construction period is not predicted, but since face-to-face traffic control will be implemented throughout the day, when using this section, we will try for further safe driving and when using it Please make sure you have enough time to go out.

Website dedicated to construction during the construction period [http://www.e-nexco.co.jp/renewal/touhokudou/miyagi] (*Scheduled to open in mid-April), or traffic information will be posted on websites such as "DraTra", so please check when using the Expressway.

It is necessary work to keep highway network function sound for a long time. We will do our best to minimize inconveniences to our customers, so please understand and cooperate.

1 Traffic regulation section

Tohoku Expressway Tsukidate IC-Kanari Wakayanagi IC (upper and lower lines)

2 Traffic regulation period

From Wednesday, May 22, 2019 to Friday, July 12, 2019 (52 days)

3 Traffic restrictions

In the floor slab replacement work, we will reduce the section of each two lanes of up and down lines to one lane and consolidate it on one side to enforce face-to-face traffic all day. During the several days at the beginning and end of the construction period, there will be an all-day lane restriction for up and down lanes as a preparatory work to switch lanes. * For the construction regulation step diagram Attachment-1 [PDF: 188KB] Please refer to.

Image of face-to-face traffic regulation

4 Construction details

About 40 years have passed since the opening of the Sakogawabashi, which is located between the Tsukidate IC and the Wakayanagi Kinari IC on the Tohoku Expressway cracks caused by repeated wheel loading due to the increase in size of the vehicle and the salt content of the anti-freezing agent sprayed during the winter season. As a result, the concrete floor slab is deteriorated and the reinforcing bars are rusted, so it is necessary to implement drastic measures against deterioration.

By replacing the deteriorated existing concrete slab with a new slab, it will be reborn as an Expressway that can be used safely and comfortably.

Construction overview

Construction image photograph

• The photo is an example of floor slab replacement work on the Sakogawa Bridge (In-bound line) that was constructed in the spring of 2018.

5 Requests for use

1. The construction section will be restricted to face-to-face traffic throughout the day for approximately 2.5 km. Since the current number of lanes on each side will be reduced to 2 lanes, please try to drive more safely and make sure you have enough time to travel. During the construction period, it is not expected that traffic congestion will occur due to face-to-face traffic control throughout the day, but if you use this section, we will make further efforts to drive safely, and when using it, please allow yourself plenty of time. Please go out.
2. Since the driving lanes and shoulders are narrow in the two-way traffic regulation section, please observe the regulation speed when traveling and secure a sufficient distance between vehicles to be careful of rear-end collisions. In addition, the lanes change significantly before and after the two-way traffic regulation section, so please follow the local 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 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, check the website such as "DraTra" for the latest traffic restrictions and congestion information.

Image of information provision image around the construction site

6 Efforts to minimize inconvenience to customers due to construction

Use of precast products for shortening the construction period and improving quality

By adopting precast products for floor slabs and wall balustrades, we have shortened the construction period compared to usual and shortened the regulation period to the maximum.
* Precast is a product manufactured in advance at a factory.

• Construction flow for precast wall balustrade

Source: DAK precast wall balustrade method study group

Strengthening of information provision

In addition to the information board (electric bulletin board) on the Expressway, the regulation plan will be announced in advance in the Tohoku region through TV commercials, radio commercials, and newspaper advertisements.・ Post a leaflet.

Information image * Publicity material for the renewal work implemented in the fall of 2018

Expressway information such as traffic congestion

We are providing NEXCO EAST Road Traffic Information Site "Dora Tora" with real-time traffic information.
[PC]
[Mobile] http://m.drivetraffic.jp/

• Display example of real-time traffic information

7 How to Obtain Road Traffic Information

(1) Road traffic information available before going out

(2) Road traffic information available during driving