Updated Oct. 29 at 10:55 a.m.
The roadway is now clear after the collision, Greater Sudbury Police said in a tweet at 10:10 a.m. Monday.
"Motorists are reminded to slow down and adjust their driving to road & weather conditions," police added.
"The snow/rain yesterday & the below freezing temperature overnight have lead to slippery roadways."
There has been a four-vehicle collision on Municipal Road 55, on the bridge heading toward Copper Cliff from Lively, said a tweet from Greater Sudbury Police at 8:50 a.m. Monday.
The extent of injuries is unknown.
Motorists will experience delays in the area. Police ask people to slow down and drive with caution.