Environmental Initiatives

[Environmental policy] (established in July 2007)

NEXCO EAST positions environmental efforts as an important management issue, and contributes to the preservation of the global environment and the formation of a recycling-oriented society as a responsible member of society, as well as efforts to preserve the living environment and natural environment along the road. By advancing, we aim to be a company trusted by society.

[Environmental Action Guidelines] (Revised in January 2021)

NEXCO EAST will take the following actions based on its environmental policy.

I. Environmental conservation efforts

  1. Contribution to the prevention of global warming
    • Expressway will contribute to the reduction of carbon dioxide by improving and strengthening the network of expressways, facilitating traffic by taking measures against traffic congestion, and improving the soundness of forests on slopes.
    • We aim for zero carbon dioxide emissions in 2050.
  2. Contribution to the formation of a recycling-based society
    • By promoting 3R (Reduce, Reuse, Recycle) and green procurement, we will contribute to the formation of a recycling-based society.
  3. Reduction of environmental load
    • We will comply with laws and regulations at all stages of our business activities and strive to reduce the environmental burden.
    • We will strive to build green infrastructure for the realization of a sustainable society.
    • We will endeavor to reduce the impact on the natural environment in order to contribute to the conservation of the biodiversity environment.
    • We will endeavor to reduce the impact on the roadside living environment.

Ⅱ. Technology development

  • In order to contribute to the sustainable and effective prevention of global warming, the formation of a recycling-based society, and the reduction of environmental impact, we will work to utilize existing technologies and develop new technologies.

III. Environmental management initiatives

  1. Environmental management
    • By analyzing and assessing the status of environmental conservation every year, we will carry out our efforts sustainably and effectively.
    • We carry out environmental management management according to ISO14001.
  2. Communication
    • We will publish the results of environmental management in the "NEXCO EAST Report" to communicate with society.
    • We will engage in social and environmental activities in collaboration with local people, local governments, and countries.
  3. Employee training
    • Through employee education, we will further raise employee awareness of the environment and foster a corporate culture.

[ISO14001]

 NEXCO東日本は、健全かつ効果的な環境マネジメント経営を実施するためISO14001を取得。環境活動に関するPDCAサイクルを回すことで、全社的に環境活動を管理しています。

Photo of ISO14001 registration certificate
  • ISO14001
    ISO14001(環境)は、1996年にISO(国際標準化機構)から発行された環境に関する国際規格で、環境マネジメントシステム導入の指針を示すものです。この規格では、環境影響の向上のため、環境対応プロセスの継続的改善を図ることを目的とし、PDCAに基づく環境対応の枠組み(マネジメントシステム)を構築、運用することが求められています。

【環境への取り組み事例】

Use of energy-saving and highly visible lighting

 トンネル内の照明を従来の「高圧ナトリウムランプ」から、「LEDランプ」に変更することで、視認性の向上を図るとともに省エネにも貢献しています。これまで301カ所のトンネルに設置し、2019年度は新たに28カ所のトンネルでLEDランプを設置しています。これまでに実施したLEDランプへの変更による使用電力量の削減は年間約3,700万kwh(CO2削減年間約2.0万トン)と推計されます。
 また、トンネル照明だけでなく道路の照明にもLEDを導入するなど、更なる電力削減に向けた取組みも行っています。

Photo of high pressure sodium lamp
High pressure sodium lamp
Photo of LED tunnel lighting
LED tunnel lighting

Reduction of impact on roadside living environment

In order to reduce the impact on the roadside environment, we are taking measures such as noise countermeasures by installing sound insulation walls and maintenance of environmental facility zones.In fiscal 2019, we installed sound insulation walls of about 3 km, and the total length of installation is about 1,080. It is km.

Photograph of the sound insulation wall installed on the outer ring road (Misato Minami IC-Takaya JCT)
Sound insulation wall installed on the outer ring road (Misato Minami IC-Takaya JCT)

Forest formation that contributes to the prevention of global warming

 高速道路敷地内では、2019年度までに約3,700haもの面積に植樹を行ってきました。これらの樹林によるCO2の吸収・固定効果は年間約3.9万トンと推計されます。
 NEXCO東日本は、これらの樹林を含むグリーンインフラを適正に管理しています。

Photograph of the initial planting situation
Initial planting situation
Photograph of aged green space management status
Aged green space management status

Reducing the impact on the natural environment

We carry out eco-road maintenance activities and eco-experiential learning, and work on greening activities and biotope conservation work in cooperation with local people.

Photograph of biotope explanation to elementary school students (near Akiruno IC on the Ken-Ken-O Road Expressway)
Explanation of biotope to elementary school students (near the Akiruno IC on the Ken-Ken-O Road Expressway)

Promotion of environment-friendly "eco Inter ®" and "eco Area ®"

At IC and SA / PA, based on the active introduction of energy-saving electrical equipment, measures to improve the efficiency of heating and cooling in buildings and the development of "environmentally friendly" facilities that utilize renewable energy such as solar power generation. Is proceeding.

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ecoインター®の整備事例のイメージ画像

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ecoエリア®の整備事例のイメージ画像