Smart Interchange
A is a feature of Japanese expressways that provides exclusive access to and from the expressway for vehicles equipped with electronic toll collection (ETC). The feature increases accessibility to and from the expressway in less-populated areas while cutting construction and maintenance costs. Smart interchanges can be built by adding connector roads between local roads and pre-existing service areas, parking areas, or bus stops located along expressways or by building simpler interchanges than were previously implemented in Japan. Design The objective of a smart interchange is to increase accessibility to areas that were not served by full-scale interchanges in order to spread out the economic, logistical, and disaster recovery benefits that a high-speed road provides beyond more densely populated areas. This often is achieved by adding connector roads between local roads and service areas, parking areas, or bus stops that are located along expressways. The connector roads are t ...
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