A crash has closed the busy main Teignmouth to Dawlish route in both directions, causing congestion in surrounding roads.
There are unconfirmed reports that the air ambulance is at the scene in the Breackneck Hill area.
Police confirm the road has been closed at the junction with Holcombe Road and there are tailbacks in both directions.
Traffic information site Inrix said: “A379 Teignmouth Road in both directions blocked, queueing traffic due to accident at Alta Vista Close.
“Not far from The Minadab Cottage. Surrounding routes are congested as a result.”
One witness said: “Bad accident on the Dawlish to Teignmouth road. Traffic horrendous everywhere. The air ambulance is at the scene.”
Updates here as we get them