The M48 Severn Bridge is closed this weekend as the final phase of upgrading works get underway.
The bridge will be closed to drivers from 6am on Saturday 15 June until 6am on Monday 17 June.
The work includes constructing a central reservation, installing kerbs, gullies and signage as well as safety fencing and barriers, resurfacing and road marking.
It will require two weeks of full overnight closures between 8pm and 6am each night from Monday, 10 June until Monday, 24 June.
There will be another weekend closure from 6am Saturday 22 June to 6am Monday 24 June.
Drivers are asked to use the M4 Prince of Wales Bridge as an alternative route.