From the council:

Nithsdale Road will be closed between the roundabout at Moray Place and Pollokshaws Road for environmental works on Tuesday 21st July. All vehicles should be removed from this area prior to 8am on Tuesday 21st July.

Neighbourhood Coordinator (Ward 6 – Pollokshields)
Neighbourhoods Regeneration & Sustainability
Glasgow City Council
Eastgate
727 London Road
Glasgow
G40 3AQ