Commuters were met with traffic chaos after the Westway was closed due to a collision in the early hours of this morning.
London Ambulance Service (LAS) was called just before 4am to a road traffic collision on the eastbound A40 Marylebone Flyover.
The A40 Westway eastbound at the Northern Roundabout and the A404 Harrow Road slip were also closed until 7am after a man in his 30s suffered serious injuries in the crash.
An LAS spokeswoman said: “We were called at 3.52am to Marylebone Flyover to reports of a road traffic collisions. We sent a single responder in a car and an ambulance crew.
"We treated one person reported to be in his 30s for back and pelvic injuries. He was taken to St Mary’s Hospital as a priority.”
The roads were opened again after three hours at 7am.