At about 8 o'clock on January 5, 2022, Wang Moumou (not wearing a safety helmet) drove a two-wheeled electric vehicle along the non-motorized lane on the south side of Central Avenue, Shapotou District, Zhongwei City, from east to west to a community on Central Avenue At the section in front of the North Gate, he collided with a four-wheeled electric vehicle parked by Xia XX on this section, causing Wang XX to be injured and the vehicle damaged in a road traffic accident.