M32 closure: Why and when the motorway will shut and diversion routes

Why are parts of the M32 closing?

Multiple sections of the M32 will be closed in the coming weeks to allow National Highways to carry out structural inspections and surveys on the Eastville viaduct.

The survey work started in November 2024 on the underside of the Viaduct.

The next stage will focus on the topside of the structure.

The surveys will help assess the current condition of the motorway and identify any future work required.

The planned closure, which will mostly take place overnight, will allow the surveys to be carried out safely.

When will parts of the M32 close?

The Muller Road southbound entry and exit slip roads and the M32 southbound Lane 1 closures started last night. The roads will be closed for 16 more weekday nights from 8pm to 6am until February 12.

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The M32 northbound between junctions 1 and 3 will be closed from 8pm to 6am on February 13 and February 16.

The Muller Road northbound entry and exit slip roads and the M32 northbound Lane will be closed for 16 weekday nights from 8pm to 6am from February 17 to March 10.

What diversion route will in place during the closure of M32?

Diversion routes will be signposted during the duration of the works.

The following diversions will be in place:

From January 21 to February 12:

- Diversion for exit slip via Junction 3 and return

- Diversion for entry slip via Junction 1 or M4 Junction 19 (January 29 and 30) and return

February 12 to 14:

- Diversion via exit and entry slip roads

From February 16 to March 11:

- Diversion at Junction 3 via exit and entry slip roads

- Diversion for Junction 2 exit slip via Junction 1 and return

- Diversion for Junction 2 entry slip via Junction 3 and return