An Analysis on Traffic Accidents on Undivided Expressway in Cold and Snow Area

抄録

Some expressways in local area with low traffic have only two lanes without rigid divided median strips because of the cost reduction. It is very important to find effective countermeasures that reduce the number of these tragic traffic accidents. However, general characteristics and factors of traffic accidents on undivided expressway have not been clarified sufficiently yet. Then, in this research, we try to find some crucial factors for traffic accidents especially in snow cold region and propose some useful countermeasures to reduce the miserable traffic accidents on undivided expressway.