Police have advised motorists to avoid the area around Broadway Parade, North Harrow this morning after a car has ploughed into traffic lights.
The incident happened at around 10:00am this morning with several bus routes including the 183, H18, H19 affected.
The road is currently blocked northbound.
A Met Police spokesperson said: “Police were called at 09:56hrs on Monday, 14 February to reports of a collision involving two vehicles on Broadway Parade in Harrow.
“Officers attended and established that one of the vehicles had also collided with traffic lights.
“The occupants of the vehicles were treated at the scene.
“Motorists are advised to avoid the area.”
A London Ambulance Service spokesperson said: “We were called at 9.59am today (14 February) to reports of a road traffic collision involving two vehicles on Station Road, Harrow.
“We sent two ambulance crews and a medic in a car.
“We treated one person at the scene and took them to a hospital.”