The city is warning that the train crossing on Wilkes Avenue, between Harstone and Fairmont roads, will be closed beginning Friday evening.
CN Rail will be doing reconstruction work at the crossing all weekend.
The Wilkes crossing will be out of commission from Friday at 6 p.m. to Tuesday, Nov. 12, at 7 a.m. Both eastbound and westbound traffic are affected.
The city advises motorists to take alternate routes and allow for extra driving time due to the train crossing closure.