Find out about the current roadworks and major activities scheduled on Cardiff roads.
Visit roadworks.org to view an interactive map with all of the live roadworks and closure updates in your area.
You can also sign up to receive email alerts about upcoming roadworks and closures in your area through their website by clicking on the envelope icon.
Night time economy road closures
- Greyfriars road from its junction with Greyfriars Place through to Park Place
- Lower St Mary Street from its junction with Mill Lane / Saunders road through to Wood Street / Westgate Street
The closure will take place every Friday and Saturday night from 10pm to 4am.
Upcoming roadworks
There may be road closures in the City centre when major events are taking place.
Butetown Eastbound tunnel maintenance July
Tuesday 7 and Wednesday 8 July.
A4232 closure Southbound from the Leckwith off slip
Monday 13 July 2026.
Butetown Westbound tunnel maintenance September
Tuesday 9 and Wednesday 10 September.
Swimming Gala Olympian Drive September
Saturday 19 to Tuesday 22 September 2026.
Butetown Eastbound tunnel maintenance October
Tuesday 13 and Wednesday 14 October.
Butetown Westbound tunnel maintenance November
Tuesday 10 and Wednesday 11 November.
Swimming Gala Olympian Drive November
Saturday 21 to Sunday 22 November 2026.
Butetown Eastbound tunnel maintenance January
Tuesday 12 and Wednesday 13 January.
Butetown Westbound tunnel maintenance (includes westbound viaduct closure) March
Tuesday 9 and Wednesday 10 March 2027.
Bute Terrace Bus lane Westbound
Monday 22 June to Wednesday 30 June 2027.
Castle Street
1 February 2026 to 31 March 2027.
Callaghan Square
22 June to 30 June 2028.
