July 3, 2009 Sagamore Bridge crash snarls Cape traffic Play video

(NECN) - Massachusetts State Police say a four-car accident shut down the Sagamore bridge in both directions this afternoon for about an hour. At least one person was injured.

Witnesses sat one car heading north somehow flipped into the air, and landed in traffic heading to the Cape.

At one point traffic was backed up for 15 miles on the southbound side of Route 3.