Collision types of motorcycle accident and countermeasures

Abstract

Taiwan has the highest motorcycle ownership of 608 motorcycles per 1000 people in the world. The motorcycle safety is always the hottest issue. This paper aimed at analysing the most frequently occurred collision types of motorcycle involved accidents according to the accident data collected at 80 selected highest accident prone intersections and then to create the new countermeasures accordingly. The most frequently occurred collision types are 1. Sideswiped collision due to change lane, 2. Right Angel collision during change interval, 3.Left turning other Angle collision by left turning movement raised by turning movement against straight movement, 4. Right turning other Angle collision by right turning movement raised by turning movement against through movement, and Rear-end collision related to change interval and width of intersection. The effective countermeasures proven include the right turn lane layout modification, the inter-green time recalculated according to the motorcycle speed, separate direction of movement between car and motorcycle, and to provide the segregate waiting zone the turning movement.