Service Advisories

302 - Unionville Express

When: Monday, August 18, 2025 to Saturday, November 1, 2025

Where: Main Street Unionville and Fred Varley Drive, City of Markham 

Event: City of Markham Construction

Routes affected: 302 - Unionville Express

Route 302 Detour:

Eastbound trips on Carlton Road will turn right on southbound Fred Varley Drive and back to regular routing on westbound Kreighoff Avenue.

Stops 1483, 1485, 1487, 1489, 1491, 4373, 4951, 5840, 5841 and 5842 will be missed.

Alternate Stops:

• 1481 on Carlton Road at Fred Varley Drive

91 - Bayview

When: August 11, 2025, through Spring 2026

Where: Bayview Avenue and Steeles Avenue East

Why: Construction

Routes affected: Route 91 - Bayview - Southbound

Detour:

Route 91 will detour on Proctor Avenue, southbound Henderson Avenue and back to regular routing on westbound Steeles Avenue East.

Stops 5234, 2889, 3577, 3579 and 3581 will be missed.

Alternate stops:

• Stop 2888 on Bayview Avenue at Proctor Avenue
• Stop 3583 on Steeles Avenue East west of Henderson Avenue

Detour Map:

 Please plan ahead and allow...

301 - Markham Express, 522 - Markham Local

When: Wednesday, July 2, 2025 until construction is complete

Where: Ninth Line and Church Street, City of Markham

Reason: Storm sewer construction

Routes affected: 301 - Markham Express and 522 - Markham Local

Detour - Route 301 Morning: Morning trips will travel westbound on Fincham Avenue, left onto southbound Paramount Road and back to regular routing on Parkway Avenue. Stops 1848, 1849, 1850, 1851, 1852 and 1853 will not be serviced. Afternoon: Afternoon trips will follow the reverse routing....