M4 road closures and diversions affecting Berkshire drivers this weekend: May 13-16

This is mostly due to essential carriageway resurfacing and other repairs.

If you are set to be travelling within these areas at that sort of time, then take note of what diversions will be in place.

Here’s a list of all of the closures from Friday, May 13 to Monday, May 16. 


Dangerous driving caught on camera


M4 road closures from Friday, May 13

M4 Eastbound

Junction 22 to 21 entry slip road and carriageway closure

When?: Friday 10 pm to Saturday 6 am

Why is it closed?: Road marking renewal

Are there any diversions?: Diversion: M49 to Avonmouth, turn at St.Brendans roundabout, re-join M5 northbound, re-join M4 eastbound at Jct 15.

Junction 4B to Jct 3 lane 4,3 switching 3,2 closure 

When?: Friday 11 pm to Saturday 5.30 am

Why is it closed?: Smart Motorway works

Are there any diversions?: Not available

Junction 4 Entry Slip road and lane closures

When?: Friday 11 pm to Saturday 6 am

Why is it closed?: Not available

Are there any diversions?: Diversion via Local authorities

A408 Stockley Road to M4 dedicated lane 1 full closure

When?: Friday 11 pm to Saturday 6 am

Why is it closed?: Not available

Are there any diversions?: Diversion via Local authorities

Junction 6 to Junction 5 carriageway closure

When?: Saturday 8 pm to Monday 6 am

Why is it closed?: Smart Motorways

Are there any diversions?: Diversion via Local authorities

READ MORE: Revealed: The most expensive car parts to replace in the UK

READ MORE: UK drivers face £500 fine and penalty points for child car seat mistakes

M4 Westbound

Junction 10 entry slip road closure

When?: Friday 8 pm to Saturday 6 am

Why is it closed?: Smart Motorways

Are there any diversions?: Diversion via Highways England network.

Junction 2 to Junction 4B closure

When?: Friday 10 pm to Saturday 5.30 am

Why is it closed?: Smart Motorways

Are there any diversions?: Not available

Junction 5 to 6 carriageway closure

When?: Saturday 8 pm to Monday 6 am

Why is it closed?: Smart Motorways

 Are there any diversions?: Diversion via Local Authority and Highways England networks

Slough Observer | News