The M6 in Cumbria is closed northbound between J36 (Kirkby Lonsdale) and J38 (Tebay) due to a serious collision involving one car.
Initially, all emergency services attended the incident which occurred just after 11am this morning.
Traffic heading south was also held for a time to allow the Air Ambulance to land to suport emergency crews at the scene.
Cumbria Police remain on scene along with National Highways Traffic Officers.
Diversion route
Road users are advised to follow the route marked by the hollow diamond diversion symbol on local road signs:
Exit junction 36 Farleton take the A590 westbound to the Brettargh Holt junction.
Follow A591 Plumgarths Roundabout take the third exit A5284 to Kendal.
Follow A5284 Windermere Rd turning left with all traffic onto A6 Sandes Ave.
Follow the A6 northbound out of Kendal towards Shap Toll Bar junction.
At Shap Toll Bar junction turn right onto the B6261 and then turn left at the M6 jct 39 Shap.
There are delays of up to 1 hour on the M6 northbound on approach to J36, approx. 3 miles of congestion.