10/11/2013 10:14 EDT | Updated 12/11/2013 05:12 EST

Subway shutdown in downtown core this weekend

TTC customers heading downtown this weekend should be aware of a subway system shutdown to upgrade the signalling system.

The will be no subway service along the entire "downtown U” of the subway system between St. George and Bloor-Yonge stations.

In place of subway trains, the TTC will operate shuttle buses between St. George, St. Andrew, King and Bloor-Yonge stations.

Wheel-Trans and Community Bus service will be available for passengers with mobility issues.

Regular subway service resumes Tuesday.