1. The employee was entering the plant gate (turning left) near the main gate.
2. He gave a turn signal, reduced speed, and turned a steering wheel. At that time, a bike with 125cc running from behind hit the passenger door of his car.
*When hitting each other, both was moving at reduced speed.
*He looked behind with a rear-view mirror before turning left. However, he did not realize the bike.
*The main gate was about 90m from Zenzaemon intersection. The road was 9m wide. Traffic was less because of earlier time than rush hour.