Collision leads to road closure on M40
The incident happened this morning.
A serious collision has led to a closure on the M40 Northbound in Buckinghamshire.
Junction three (Loudwater) and Junction four (High Wycombe) are affected.
Emergency services including Thames Valley Police are in attendance.
Diversion routes are in place, with traffic busy in the surrounding areas as well.
Highways England stated:
"Please allow extra journey time. Plan ahead, you may wish to re-route or even delay your journey."