The sinkhole was found on Cowcaddens Road, a key route through the city centre, by third-party workers carrying out street improvement works.
Scottish Water was called in to carry out emergency repairs.
(Image: Gordon Terris)
READ MORE: Hundreds of jobs at risk as Morrisons to close dozens of services
READ MORE: Co-op worker ‘threatened’ by gang of youths – enquiries are ongoing
The road, which was already reduced to one lane in each direction, was closed to all westbound traffic from its junction with Port Dundas Road and West Nile Street.
(Image: Gordon Terris) A Scottish Water spokeswoman said: “The void is underneath the already coned-off side of the carriageway, but we have to shut a third lane as well to carry out the repair safely.
“At this moment in time we do not know how long these emergency works and associated roadworks will be in place.
“We appreciate it is going to cause significant delays to road users but everyone’s safety – our engineers and the public – is an absolute priority.”
All businesses in the area stayed open during the works.