Police are investigating after two vehicles collided at Stow cum Quy this morning.
Two people were treated for minor injuries following the accident, which involved a red Citroen Xsara and a blue Smart car and happened in Newmarket Road at 7.15am.
Motorists reported queues back to Newmarket as people tried to get to work.
Pc Andy Moss, investigating, said: “I would appeal to anyone who saw the collision, or either vehicle prior to it, to call police.”
Anyone with any information should call Pc Moss at the Roads Policing Unit on 101.