M4 Closures
Published: 09 January 2023
There will be inspection and survey work at junction 12 on the M4 near Theale which may impact local residents and services.
Highways may need to close the motorway and some lanes as they pass underneath the junction to carry out our work safely. There will be eastbound and westbound closures at different times.
• The M4 will be closed eastbound underneath the junction from 9pm on Monday 23 January to 6am the following morning. Traffic will be diverted up and over junction 12.
• Lane 1 will be closed eastbound underneath junction 12 from 9pm on Tuesday 24 January to 6am the following morning. Traffic will still be able to travel through, exit and enter the junction.
• The M4 will be closed westbound underneath the junction from 9pm on Wednesday 25 January to 6am the following morning. Traffic will be diverted up and over junction 12.
• Lane 1 will be closed westbound underneath junction 12 from 9pm on Thursday 26 January to 6am the following morning. Traffic will still be able to travel through, exit and enter the junction.
Highways are encouraging drivers to take extra care when driving through these works.