Expressway renewal business

East and medium-Japan-West Expressway Co., Ltd. (hereinafter referred to as NEXCO3 company.), The Expressway aims to permanently take advantage of the features of the network, Expressway large-scale update on the structure of the body, large Regarding the need for scale repair and its countermeasures, Technical Review Committee on Long-Term Maintenance and Renewal of Expressway Assets Was set up in November 2012 and has been studied.

The Expressway managed by the NEXCO3 company has reached approximately 9,000 km in length, 50 years after the opening of the Meishin Expwy between Ritto and Amagasaki in 1963. Of these, approximately 40% (approximately 3,700 km) have been in service for more than 30 years. Is becoming apparent, and it is necessary to work on large-scale renewal and repair at an early stage.

Regarding the implementation of the renewal project, we will continue to examine specific ways to proceed with the project and cooperate with related organizations. We ask for your continued understanding and cooperation.

About the Expressway Renewal Project

The large-scale renewal and repair business is a long-term improvement of the Expressway network function by taking necessary and effective measures from the viewpoint of minimizing the life cycle cost of the main structure of the Expressway, preventive maintenance and improving performance. This is done to keep you healthy.

Expressway By repairing and reinforcing the main body structure with the latest technology, performance and functions equivalent to or better than those at the beginning of construction will be restored and the service life will be extended.

Expressway Renewal Project (large-scale update, repair business)

The Expressway Renewal Project aims to maintain the expressway network's functions safely over the long term. This will be achieved by taking essential and effective measures from the perspective of minimizing the life cycle costs of main body structures (all costs required until a structure's purpose is completed), preventive maintenance (maintenance conducted before damage and malfunctions occur), and performance improvement.

Expressway Renewal Project (large-scale renewal and repair business)

Large-scale update

Expressway By reconstructing the main body structure with the latest technology, we will ensure the same or better performance than the current new structure, and maintain and enhance the performance.

Large-scale repair

Expressway By repairing and reinforcing the main body structure with the latest technology, performance and functions equivalent to or better than those at the beginning of construction will be restored and the service life will be extended.

About business permission and execution plan

On March 25, 2015, the Minister of Land, Infrastructure, Transport and Tourism received permission from the Minister of Land, Infrastructure, Transport and Tourism for the implementation of large-scale renewal and repair projects based on the Road Maintenance Special Measures Law. We carry out business of approximately 1 trillion yen scale for 15 years from 2015.

About conduct of construction

In carrying out the construction, we plan to reduce construction congestion taking into account the deterioration of the structure, the network such as Shin-Tomei Expressway and Shin-Meishin Expressway, and plan construction regulations taking into account the Tokyo Olympic Games and other large-scale events. We will announce the construction work in consultation with the related organizations.

NEXCO CENTRAL Manage Expressway Current status of

NEXCO CENTRAL manages approximately 2,000 km of Expressway such as the Tomei Expwy and ChuoExpwy. Meishin Expwy has been aging for more than 50 years since the whole line was opened, and about 60% of the roads have been in service for more than 30 years. It is necessary to work on large-scale renewal, repair business early on to play role as aorta supporting life and economy from now on.

Expressway Changes in the number of years

Expressway Progress of aging

Aging is progressing due to an increase in the number of years elapsed and a severe usage environment.

Possible causes of accelerating aging are as follows.

Traffic of vehicles that violate laws and regulations that exceeded the total weight with the increase in large vehicle traffic
Increased opening of snow-covered cold areas and increased use of anti-freezing agent (sodium chloride)

Increase in heavy vehicle traffic