Footage posted to Facebook showed a man on a motorcycle standing on the seat and going along in downtown Chiang Mai.
Jenjira Suphan, 31, said she was with her husband taking their daughter to school. It was in the area of Moon Muang Road.
Pol Lt-Col Suphachai Jantra of the Chiang mai police said it was a rental bike and they had traced it to a member of the Tai Yai ethnic minority group who is aged about 20.
He has been issued with a summons and police would be seeking the top fine for negligent and dangerous riding and not wearing a helmet.
Source: Daily News