Emergency gas works near Forest Hill station are causing severe delays.
Transport for London (TfL) has reported the A205 London Road, the South Circular Road, has only one lane operational.
The repairs are taking place along London Road at its junction with the A2216 Dartmouth Road.
MORE TOP STORIES This is due to emergency repair work following a gas leak.
Temporary traffic lights have been put in place.
There is congestion on the A205 through Catford to the A20, Clifton's Roundabout in Eltham, along the A21 Bromley Road to Bellingham, and on the A205 Dulwich Common to the A2199 Croxted Road, West Dulwich.
TfL are warning motorists to expect delays in the area this morning (February 27).
Bus routes 122, 176, 185, 197, and the P4 are reportedly experiencing delays of up to an hour as a result.
More to follow.
Routes 122, 176, 185, 197, 356 and P4 are delayed up to an hour due to roadworks in the Forest Hill area.
— TfL Bus Alerts (@TfLBusAlerts) February 27, 2015
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