Updated Jan. 11 at 11:25 a.m.
The roadway is now clear, Greater Sudbury Police said on Twitter at 10:35 a.m.
Greater Sudbury Police and EMS are on scene of a single-vehicle collision on Elm Street near the Lasalle extension ramp.
The extent of injuries in unknown at this time.
Motorists may experience delays in the area, said police in a Tweet.