Updated Feb 9 at 9:30 p.m.
MR 55 is fully reopened, Greater Sudbury Police announced on Twitter at 8:35 p.m.
Original story:
A two-car collision has closed both westbound lanes on Municipal Road 55 at Power Street, Greater Sudbury Police tweeted at 6:54 p.m.
"Please use alternate routes," police added.
No further information is currently available.