NEXCO CENTRAL (Central Nippon Expressway Company Limited)

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Creating a foundation for the future


Expressway Through environmental improvement and CO 2 By reducing emissions, etc.
Realize a sustainable society and leave a beautiful earth and region for the future.


Key management measures related to the environment

・ Suppression of global warming

Expressway Contributing to the suppression of global warming through efforts to improve networks, reduce traffic congestion, and save energy.

・ Promotion of 3Rs for resources

We will endeavor to reduce the generation of waste and effectively use the by-products generated by our business activities in 3Rs (reduce, reduce, reuse, recycle).

・ Consideration of local environment

We will promote consideration for the local environment, such as the creation of an “Eco-Road” that reduces the burden on the habitat and growth environment of animals and plants.

This environmental policy will be made known to all employees and made public.

Central Nippon Expressway Company Limited President and Chief Executive Officer Miyaike Yoshihito

Suppressing global warming

CO related to business 2 Emission reduction

Expressway CO emissions related to 2 A large percentage is due to automobile traffic. Drive at a more stable speed than ordinary roads Expressway As vehicle maintenance progresses, CO from automobile traffic 2 Emission is suppressed.
Within the jurisdiction of 2017 Expressway Resulting from automobile traffic in Japan 2 Estimated emissions of approximately 8,606 thousand t-CO 2 However, assuming that this traffic traveled at the speed of ordinary roads (national roads), its emissions were approximately 10,428 thousand t-CO 2 The difference is 1,822,000 t-CO 2 Is thought to have been reduced. In addition, the following efforts will result in 1,861 thousand t-CO. 2 Was reduced.

CO 2 Reduction amount

Longer life and energy saving of road lighting

We replace old lighting equipment (sodium lamps) in tunnels with power-saving and long-life lamps such as LED lights. On new routes, LED lighting is used for road lighting and internal lighting signs. Road lighting Expressway It accounts for more than 30% of electricity usage, and the use of LEDs can greatly reduce power consumption.

Breakdown of electricity consumption (FY2016)

Before improvement (sodium lamp)

After improvement (LED lighting fixtures)

Maintenance of EV (electric vehicle) quick charger

We have established a charging infrastructure network to improve the convenience of customers using EV / PHV (plug-in hybrid vehicles).
As of the end of March 2018, the number of EV quick chargers in the company's jurisdiction was 103 (95 locations), and the number of usage was 186,000 times / year (up 26% from the previous year).

EV quick charger installed in a resting facility

Click here for EV quick charger installation location

Promotion of 3Rs for resources

Green recycling

Expressway Plant-generated materials generated by pruning and mowing the trees inside are recycled into compost and mulching materials. Compost is effectively used as a soil improvement material for planting, and mulching material is used effectively as a herbicide for slopes. The recycling rate in fiscal 2017 was 74%.

Green recycling amount (FY2017)

Plant-generated wood pellets * 1 Conversion

Expressway A facility for pelletizing plant-generated materials generated in Japan is operating in Yamakita-cho, Ashigarakami-gun, Kanagawa Prefecture (formerly Serizawa Parking Area). The manufactured pellets are used on a trial basis as fuel for air conditioning at toll booths.

* 1 Small solid fuel

Accumulate pruned branches and cut grass

Pelletize with improved equipment

Finished pellets

Recycling materials generated during cleaning

Expressway Wastes such as garbage and earth and sand generated by road surface cleaning are separated and recycled, such as bottles and plastic bottles, that can be recycled. Items that cannot be recycled are properly disposed of in accordance with the Waste Management Law.

Amount of recycled materials generated from road surface cleaning (FY2017)

Reduction of water consumption

Wash water for restrooms is rainwater or middle water * 2 We are striving to reduce water consumption by using water-saving toilets and water-free toilets.

* 2 Water that is recycled from domestic wastewater once used for washing dishes, etc., and recycled into toilet wash water.

Waterless toilet bowl Shin-Tomei Expressway Okazaki SA

Transition to the new international standard of ISO14001 (environment)

Consideration for the local environment

Environmental communication

Participation in environmental event "Eco-Pro"

Every year, we participate in “Eco-Pro”, one of the largest environmental events in Japan, so that our stakeholders can learn about our environmental activities. “Eco-Pro 2017” introduced eco-roads (roads that consider the natural environment), greening with local seedlings, and the introduction of renewable energy.


Tokai-Hokuriku Expwy Johana SA In order to improve the habitat of Gifu Butterfly (Ministry of the Environment: Endangered species) that lives in the neighborhood, in 2000, a nursery tree that becomes a coppice and a feeder, Himekan Mallow, will be installed in the service area. Planted. Starting in 2001, in the village forest around Sakuragaike, with local elementary school students and organizations, the Gifcho butterfly butterflying party has been set up. . In the 2017 butterfly event, about 70 gibbons were released into the sky at the castle's edge.

Gift butterfly


Elementary school students who touch Gifhou

Service area praised by fireflies

Arisoumi SA Hokuriku Expwy (In-bound line) uses the babbling in the service area to create an environment where fireflies can live, such as shading by planting, in accordance with the habits of fireflies that hate light. We hold release party of.
In 2017, we released 20 firefly larvae raised by local elementary school students.

Elementary school students releasing firefly larvae

Consideration for roadside environment

Light source measures

Between the Shin-Tomei Expwy Ebina-minami JCT and Atsugi-minami IC, which opened in January 2018, low-level lighting was adopted to minimize the effect of light leaked from road lighting on the surrounding environment, flora and fauna, etc. .

Low position lighting

Symbiosis with herons

Environmental management

Environmental management that continuously improves the Group's environmental activities has been incorporated into management.

Results of environmental activities

Expressway Has a wide range of impacts on the environment, so we have a broad and quantitative understanding of the effects and costs of environmental activities.

・ In the above table, `` Promotion of 3Rs of resources '', the target and actual results are the recycling rate for the construction of specified construction materials stipulated in the `` Act on the Recycling of Materials Related to Construction Work '' completed in FY2017. It has been described.
As for long-term plan values, asphalt concrete lumps, concrete lumps, and construction waste wood are based on the plan targets of `` Construction Recycling Promotion Plan 2014 '' (September 2014) of Ministry of Land, Infrastructure, Transport and Tourism. It is our original plan value.

Results of business activities

Expressway In the construction and maintenance of facilities and rest facilities, we strive to quantitatively understand the impact (environmental impact) of our business activities on the environment.
The material flow of environmental impact in fiscal 2017 related to business activities is as follows.

・ The total may not match due to rounding.

* 1 Construction by-products are the contracted volume of construction that has been successful in FY2017 (including maintenance work).

* 2 The main inputs of asphalt / concrete, ready-mixed concrete, and steel are the contracted contract quantities (estimated) for the work ordered in FY2017. The amount of electricity used and the amount of tap water are the results for fiscal 2017.

* 3 There are many non-recyclable items such as earth and sand that are collected during road cleaning.

Environmental accounting

Results for FY2017

Environmental conservation costs

Environmental conservation costs are categorized into business area costs, management activity costs, research and development costs, and social activity costs according to business activities, and calculated for each investment amount and cost.
As a result, the investment amount in fiscal 2017 was 1,092 million yen, and the cost was 12,694 million yen.

(One million yen)

Environmental conservation effect

The environmental conservation effects were categorized into “Indicators on environmental impacts emitted from business activities”, “Indices on waste emitted from business activities” and “Other indicators”. Of these, CO by traffic congestion measures such as network and ETC lane maintenance in 2017 2 Reduction amount is 1,836 thousand t-CO 2 have become.

Economic benefits associated with environmental conservation measures

For the economic benefits associated with environmental conservation measures (effects that contribute to the economic benefits of companies as a result of promoting environmental conservation measures), we calculated the costs deemed to have been avoided in FY2017. In fiscal 2017, the economic effect was 34,146 million yen due to the reuse and recycling of soil generated from construction and the reuse of guardrails and tunnel equipment.

(One million yen)

* 4 “Investment amount” is the amount of investment in depreciable assets for the purpose of environmental conservation.

* 5 “Expenses” is the amount of the company's expenses for the purpose of environmental conservation. The cost is based on including the depreciation of depreciable assets. Expressway No depreciation expenses are recorded for assets delivered to the Holding and Debt Repayment Organization.

* 6 Economic effects related to reuse / reuse of construction soil, etc. are reused for materials purchase costs, transportation costs to disposal sites, disposal costs, etc. Transportation costs and disposal costs to disposal sites where the occurrence has been avoided due to this are recorded.