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NEC has built highly reliable information and communications infrastructure based on ICT for many years, so it
can help establish a society where people can lead safer, more secure and comfortable lives.
Here, we present traffic management systems for expressways that underpin the foundation of the
transportation network.
Tomei Expressway and Shin-Tomei Expressway
(Excerpt from NEXCO Central’s website)
Traffic Management Systems for Ensuring the Safety and Security of Expressways
Leveraging Years of Expertise and Advanced
Technological Prowess to Build Expressways with
Customers
The Shin-Tomei Expressway opened in April 2012. The
new route has dispersed traffic and eased congestion
between Tokyo and Nagoya, contributing to more efficient
and safer driving.
NEC delivered a traffic control system to Central Nippon
Expressway Company Limited (NEXCO Central) for the
new expressway.
NEC has supplied traffic management systems to
expressway operators since 1984. Deliveries have been for
the Tomei Expressway, the Meishin Expressway, the Hokuriku
Expressway, the Tohoku and Joban Expressways, and the
Chuo Expressway. Our traffic management systems are the
fruit of this expertise and advanced technological capabilities
and tackling various systems operations challenges in the field
with customers.
Systems That Drivers and Operators Can Trust
Japan has a nationwide network of expressways: social
infrastructure that is essential for trucks to transport massive
volumes of cargo and for passenger cars to travel efficiently.
Traffic management systems function around the clock, 365
days a year so drivers using these expressways can travel
safely, securely, and comfortably.
NEXCO Central has positioned the provision of real-time
traffic information as a pivotal concept in the development of
new traffic management systems. On the Tomei Expressway,
the collection of road data and the supply of traffic information
is at roughly five-minute intervals. By realizing the concept of
reducing the interval to about one minute, or five times
quicker than today, more realistically reliable information can
be obtained with few time lags.
It is essential to build a comprehensive information
environment in which personnel at expressway control
centers housing traffic control systems can accurately assess
road conditions based on information gathered in real time,
with information being quickly shared and confirmed in the
center. A vital priority is to make networks more robust and
highly reliable so systems can remain operational even after
major disasters.
BUILD฀RELIABLE฀INFORMATION฀AND฀COMMUNICATIONS฀
INFRASTRUCTURE
Road information boards at the turnoff for the Shin-Tomei Expressway
31 NEC Corporation
Annual Report 2013