M3 junction 9 improvements. 2nd weekend closure 13th to15th February

M3 Full Weekend Closures

To ensure the safe installation of steel beams for the new M3 roundabout bridge decks, the M3 will be fully closed in both directions between junctions 8 and 9 on the following weekend:

• 9pm Friday 13 February to 6am Monday 16 February 2026

For local diversion routes, please refer to the following link: M3 junction 9 to 8 northbound and southbound diversion.

The diversion routes are designed to suit all vehicle types.

You are advised not to use a Satnav when following any of the diversions because there is a risk it could direct you down an unsuitable road or back onto the network when it is closed.