Study on the ITS-based traffic operation strategy in poor visibility environment on the inter-urban Expressways in Japan.

Author(s)
Kato, T. Saito, T. & Kato, S.
Year
Abstract

Road closures occurred as much as 4,200 times in 1997 alone on the expressways in Japan with a total duration of 26,000 hours (total duration of road closures caused on both up and down lines for each section). 65 percent of road closures are caused by weather-related reasons, with 42 percent of those being attributed to poor visibility. Half of poor visibility-caused road closure is due to fog. Since fog-prone areas are limited, it may be possible to establish comprehensive measures to prevent road closures due to fog. This report covers the results of a study which investigated the effects of traffic control based on ITS technologies as well as conventional measures to prevent road closure due to fog. The ITS-based traffic control system was tested on two expressway sections where road closure frequently occurs due to fog, and it was found that such technologies could yield favourable economic effects.

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Publication

Library number
C 22903 (In: C 22454 CD-ROM) /73 / ITRD E114690
Source

In: From vision to reality : proceedings of the 7th World Congress on Intelligent Transportation Systems ITS, Turin, Italy, 6-9 November 2000, 8 p.

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