HALIFAX -- Annapolis District RCMP say a 77-year-old man has died after a single-vehicle collision on Nova Scotia's Highway 101.

Police responded to the scene between exit 22 and West Dalhousie Road around 2:40 p.m. Wednesday.

"A preliminary investigation determined the lone vehicle was travelling eastbound when it went off the road," the RCMP said in a news release. 

"The driver, a male, was pronounced dead at the scene; his passenger a 55-year-old female was taken to the hospital with what is believed to be non-life threatening injuries."

Highway 101 was closed for four hours while the Mounties investigated the crash.

The cause of the crash is under investigation.