A box truck lost control and overturned on Route 101 by Union Street in Peterborough Tuesday afternoon.
The crash occurred around 1:19 p.m., Peterborough police said.
The Isuzu box truck was registered to the Kirin Produce Co. of Boston, police said.
Motorists who witnessed the crash helped driver Ruikun Deng, 57, of Boston and a passenger out of the passenger side of the cab.
Both were transported to Monadnock Community Hospital, although no injuries were initially reported.
As of 2:30 p.m., police said they were waiting for a large tow truck from Wilton to right the overturned truck.