The M4 between Chippenham and Bath has been closed following a serious collision involving a pedestrian in the early hours of this morning, Monday 20th February.
The westbound carriageway has been closed between junction 17 and junction 18 after emergency services were called to reports of the crash at around 1am.
The collision, involving a car and a pedestrian, is believed to have happened near Leigh Delamere services.
Wiltshire Police say the road is likely to remain closed for several hours while investigations are conducted at the scene.
National Highways have implemented a diversion route, however there are still long delays reported in the area.
Diverted traffic is advised to follow the solid diamond diversion symbol:
- Exit the M4 westbound at J17 and join the A350 southbound
- Continue until Bumpers Farm Roundabout with the A420
- Turn right and join the A420 Bristol Road westbound
- Continue on the A420 until the roundabout with the A46 near Cold Ashton
- Turn right and join the A46 northbound
- Continue northbound to then re-join the M4 westbound at J18