An SUV travelling eastbound in the westbound lanes of Highway 403 near Brantford was stopped by police.
Brant County OPP say it happened around 4:30 a.m. Tuesday, near Middle Townline Road in Brant County.
After the 2017 Cadillac Escalade was stopped, its driver was arrested.
A 30-year-old man from Brampton faces charges relating to impaired driving and dangerous driving.