A serious crash in the eastbound lanes of Highway 401 west of London led to long delays during the morning commute Thursday.
Middlesex OPP were called to the collision on the highway at Colonel Talbot Road around 6:30 a.m.
No details have been released regarding how many vehicles were involved or the severity of any injuries.
One eastbound lane of the highway and the southbound exit ramp to Colonel Talbot are closed.
OPP are asking drivers travelling through the area to slow down and be patient.
