Sarnia police laid an impaired driving charge after stopping a vehicle with three flat tires Friday morning in the area of Clifford and Christina Streets.
Police were called at around 9:10 a.m. for a report of an erratic driver.
They believe the flat tires were caused by the vehicle going over train tracks in the area.
A 25-year-old woman is charged with impaired operation and having a blood alcohol concentration of 80-plus.
She's to appear in Sarnia court February 16.