Traffic through the Clyde Tunnel in Glasgow has been disrupted after a two-vehicle crash on Friday.
The incident occurred at around 12pm on April 21, with the southbound carriageway completely closed to vehicles.
No serious injuries have been reported and vehicle recovery is under way.
Police advised drivers to avoid the area, and said a diversion is in place onto the Clydeside Expressway.
Glasgow City Council advised that delays are expected, and urged drivers to follow police direction.
A spokesperson for Police Scotland said: “The public are advised that the Clyde Tunnel is blocked Northbound, following a two-vehicle crash.
“There have been no serious injuries reported and recovery is being arranged.
“Motorists should avoid the area. There is a diversion in place on to the Clydeside Expressway.”
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