Traffic was stop and go on Waverley Road today after a car plunged into Lake William.

The cause of the crash is still under investigation, say police. (Patrick Callahan/CBC)

Halifax RCMP Sgt. Linda Gray said at around 11:10 a.m. emergency crews were called to the 1900-block of Waverley Road after a Ford Mustang left the road.

The man behind the wheel was not injured and was able to free himself and get to safety.

The woman in the passenger seat suffered minor injuries and could not free herself. Members of the local fire department were able to free her and paramedics took her to hospital.

Gray said alcohol is not believed to be a factor.

The cause remains under investigation.