Crash involving multiple vehicles snarls traffic on Chesapeake Bay bridge in Maryland

Authorities say crashes involving more than 40 vehicles closed all lanes on the heavily-traveled U.S. 50 Bay Bridge in Maryland, injuring 13 people and snarling traffic for about six hours

​ABC News: US Authorities say crashes involving more than 40 vehicles closed all lanes on the heavily-traveled U.S. 50 Bay Bridge in Maryland, injuring 13 people and snarling traffic for about six hours