Four people were taken to hospital after a crash on the Aire Valley trunk road near Bingley tonight.
Four ambulances and three fire engines went to the scene of the one-vehicle accident between Crossflatts and Keighley at 5.40pm.
Firefighters from Bingley, Keighley and Silsden attended but no one was trapped in the vehicle.
All four occupants were believed to have suffered neck injuries.
A fire service spokesman said a car had left the carriageway and gone into a field.