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【Feature 02】
Connect Expressway Efforts to coexist with the network and the region and the natural environment

Tokyo outer ring road (Misato Minami IC-Takaya JCT) Maintenance effect by opening

Between Saitama Prefecture and Chiba Prefecture (Tohoku Expressway Kanto Expressway's traffic was via the city center (Metropolitan Expressway), but the outer ring road on June 2, 2018 (Misato With the opening of Minami IC-Takaya JCT), approximately 80% of traffic has been converted to the outer ring road. In addition, due to the opening of the outer ring road and the use of four lanes such as Horikiri JCT to Kominato JCT, the congestion loss time of the capital highway (including the central ring) inside the central ring decreased by about 30%.

Changes in the route and congestion situation before and after opening

Improvement status of driving environment on general roads in Ichikawa and Matsudo

[1] <Tohoku Expressway Kanto-Kanto> Changes in path share

[2] Change in traffic congestion on the central loop line

SHIRIBESHI EXPRESSWAY(Yoichi IC-Otaru JCT) Strengthening community medicine by opening

SHIRIBESHI EXPRESSWAY(Yoichi IC-Otaru JCT) was opened on December 8, 2018, and the emergency medical system in the Coshi region was strengthened, such as shortening the transportation time to the tertiary medical facility for serious patients.・ It is expected to contribute to a safe life.

SHIRIBESHI EXPRESSWAY 60 minutes from the tertiary medical facility after maintenance

Changes in required time and lifesaving rate to Sapporo Teine Keijinkai Hospital

Source: 2015 National Road and Street Traffic Situation Survey “Effects of Improving Emergency Medical Care by Road Development” (Traffic Engineering Vol.45 No.5 2010)
* For acute myocardial infarction with moderate severity

Environmental conservation initiatives

Implementation of animal intrusion countermeasures

In places where the planned route passes through a natural rich area, an intrusion prevention fence is installed to prevent a collision with a passing vehicle due to the invasion of deer, and a flight guide pole is installed to guide the movement route of birds. The we.

Deer intrusion countermeasures

Deer intrusion countermeasures

Installation of bird flight guide poles

Installation of bird flight guide poles

Improvement effect by opening Tohoku Chuo Expressway (Nanyo Takatsuki IC-Yamagata Kamiyama IC)

On April 13, 2019, 24.4km from Nanyo Takatsuki IC to Yamagata Kamiyama IC on the Tohoku Chuo Expressway that connects the main cities in the inland areas of Fukushima, Yamagata and Akita prefectures was opened.

Improved access to tourist spots

Around Tohoku Chuo Expressway, there are hot springs and other famous tourist spots nationwide.

The development of the Tohoku Chuo Expressway is expected to improve the convenience of access between tourist spots, increase tourism from inside and outside the prefecture, and promote regional exchanges over a wide area.

Kaminoyama Onsen

Kaminoyama Onsen

Fumiyoshi Kameoka

Fumiyoshi Kameoka

Double network construction

In addition, a double network is formed in Yamagata area, Fukushima area and Sendai area by this opening, Tohoku Expressway, Yamagata Expressway and Tohoku Chuo Expressway are closed to each other, making it possible to move between areas.

Joban Expressway Accelerating reconstruction projects through the opening of Okuma IC

Since the Great East Japan Earthquake, we have been working together with Okuma Town Joban Expressway Okuma IC was opened on March 31, 2019.

In Okuma Town, after the opening of the Okuma IC, the new government office building was completed, and after the earthquake, operations in the town were resumed for the first time in about eight years and two months, and reconstruction projects have accelerated more than before.

With the opening of the Okuma IC this time, the reconstruction project will be accelerated, and the transport of removed soil to intermediate storage facilities will be improved.

Okuma Town Hall New Government Building

Okuma Town Hall New Government Building

Joban Expressway Okuma IC

Joban Expressway Okuma IC

Opening of smart ICs in the Tohoku region

From April 2018 to April 2019, six smart ICs in the Tohoku area (Oshu, Koriyama Chuo, Tamura, Nara, Hachinohe Nishi, Takizawa Chuo) were newly opened.

Both smart ICs are expected to greatly contribute to the development of the local community, such as improving the living environment and convenience of local residents, providing emergency medical support by shortening emergency transport time, and strengthening the foundation of economic activities through improved accessibility. It is.

Tohoku Expressway Takizawa Chuo Smart IC

Environmental conservation initiatives

Conservation of rare plants

Rare plants were confirmed at the location where the topography was changed, but the time to protect was before germination, so the soil containing seeds was collected, germinated and grown at our group facilities, and the environment was similar I transplanted to the place to do.

In order to reduce the risk of extinction, the grown seeds were collected and stored in the Shinjuku Gyoen Administration Office of the Ministry of the Environment.

Abnomé flowering status

Abnomé flowering status

Examples of protecting and nurturing Abnomome

Examples of protecting and nurturing Abnomome
((stock)Expressway Research Center for Greenery Technology)

Conservation of small animals

Since the planned route was set up in an area where small animals such as reptiles and amphibians live, a ramp was set up in the waterway to secure the movement route.

Compact side groove

Compact side groove