GO Transit trip guide

Markham GO to Union Station

Stouffville line · 5 stations in between · no change of train.

Plan Markham GO to Union
Map of the Stouffville line from Markham GO to Union Station, drawn along the track in the line's colour.
© Mapbox © OpenStreetMap

Markham GO is on GO Transit's Stouffville line, which ends at Union Station: a train from Markham GO passes 5 stations on the way in (Centennial, Unionville, Milliken, Agincourt and Kennedy) with no change of train. On a weekday 15 direct trains are scheduled to Union, and the scheduled ride is about 51 min (51 to 52 min).

Not every train stops at every station on the way, and a trip may run only part of the line, so the live plan is the one to trust for a given departure: it shows the train, the stops it makes, and the connection at either end.

Markham GO to Union at a glance

Stations in between
5
Change of train
None: Union is the end of the line
Scheduled ride to Union
about 51 min (51 to 52 min)
Scheduled ride from Union
50 min
Direct trains on weekdays
15 to Union, 15 from Union
First / last train to Union
5:28 a.m. / 8:29 p.m.
First / last train from Union
9:00 a.m. / 10:30 p.m.
Weekend trains
To Union: 4 on Saturday, 4 on Sunday. From Union: 4 on Saturday, 4 on Sunday.

All times and ride lengths are scheduled, from the GO timetable for Tuesday, September 29, 2026 (weekend trains: October 17 and 18, 2026); live times are in the trip planner. More about the station is on the Markham GO station page.

Stations from Markham GO to Union

Union Station to Markham GO

Going the other way, board a Stouffville line train at Union. It passes the same 5 stations in reverse order, Kennedy first and Centennial last, before Markham. Plan Union to Markham GO.

Connections at each end

At Markham GO

At Union Station

← Every GO trip to Union

Frequently asked questions

How do I get from Markham GO to Union Station?
Take a GO train on the Stouffville line toward Union. Union is where the line ends, so there is no change of train; the line passes 5 stations on the way in (Centennial, Unionville, Milliken, Agincourt and Kennedy). If a trip runs only part of the line, the live plan shows the connection.
How do I get from Union Station to Markham GO?
Board a Stouffville line train at Union heading out along the line. It passes Kennedy, Agincourt, Milliken, Unionville and Centennial before Markham.
How many stations are between Markham GO and Union Station?
5 stations: Markham is station 6 out of Union on the Stouffville line. Not every train stops at every station, so the live plan lists the stops for your departure.
How long is the GO train from Markham GO to Union Station?
The scheduled ride is about 51 min (51 to 52 min) across the 15 direct weekday trains. From Union back to Markham it is 50 min, scheduled. Weekday times are from the GO timetable for Tuesday, September 29, 2026; the live plan has today's departures.
When is the first and last train from Markham GO to Union Station?
On weekdays toward Union, the first scheduled train leaves at 5:28 a.m. and the last at 8:29 p.m. From Union, the first scheduled train leaves at 9:00 a.m. and the last at 10:30 p.m. Direct trains scheduled to Union on the weekend of October 17 and 18, 2026: 4 on Saturday and 4 on Sunday. Weekday times are from the GO timetable for Tuesday, September 29, 2026; the live plan has today's departures.
Are Markham GO and Union Station accessible?
Yes. Both Markham and Union are listed as fully accessible stations.
Can I plan Markham GO to Union with live status?
Yes. Reroute plans GO trips with live line status from Metrolinx, and connects the train to the TTC, local buses, driving or walking in the same itinerary.

One app for the whole trip.

Every way across the GTA, ranked in one list. No account needed.

Plan a trip