At least eight vehicles were involved in the collision on the westbound carriageway near junction 16, Townhead.
By 07:40, traffic was reported to be queued back to junction 10, Barlanark. Traffic was also backing up onto the southbound M80.
At 09:05, Traffic Scotland said the crashed vehicles had been cleared from the motorway.
A crash on the M8 motorway near the centre of Glasgow has caused significant delays to traffic.