Bus 121 in Toronto links 1 Front St West – Union Station and Jack Layton Way at St Matthews Rd. The route is 4.6 km long with 15 stops, and the official schedule from the Toronto Transit Commission puts the full trip at about 28 minutes. On a weekday it runs 47 trips in one direction, and 42 on a weekend day.
Route at a glance
| Mode | Bus |
|---|---|
| Route number | 121 |
| City | Toronto |
| Transit authority | the Toronto Transit Commission (TTC) |
| Start → end | 1 Front St West – Union Station → Jack Layton Way at St Matthews Rd |
| End → start | Jack Layton Way at St Matthews Rd → 1 Front St West – Union Station |
| Route length | 4.5 km / 4.4 km in the opposite direction |
| Number of stops | 15 / 18 in the opposite direction |
| Travel time | about 28 minutes |
| Trips per day | 47 on weekdays, 42 on weekends one way |
| Frequency | peak 20–30 · midday 28–30 · weekend 19–30 |
| First / last trip from «1 Front St West – Union Station» | 00:14 / 23:44 |
| First / last trip from «Jack Layton Way at St Matthews Rd» | 00:14 / 23:44 |
| Fare | 3.35 $ |
| Updated | August 22, 2026 |
Route of Bus 121
Outbound: 1 Front St West – Union Station → Jack Layton Way at St Matthews Rd
This direction has 15 stops and runs 4.6 km. The route passes Church St at The Esplanade, Princess St at The Esplanade North Side, Front St East at Cherry St, River St at Dundas St East. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | 1 Front St West – Union Station | 0.0 km | Terminus |
| 2 | Church St at The Esplanade | 0.6 km | |
| 3 | The Esplanade at Lower Jarvis St East Side | 0.8 km | |
| 4 | The Esplanade at Lower Sherbourne St | 1.1 km | |
| 5 | Princess St at The Esplanade North Side | 1.2 km | |
| 6 | Front St East at Berkeley St | 1.6 km | |
| 7 | Front St East at Parliament St | 1.7 km | |
| 8 | Front St East at Cherry St | 2.1 km | |
| 9 | Front St East at Bayview Ave | 2.4 km | |
| 10 | River St at Queen St East | 3.0 km | |
| 11 | River St at Dundas St East | 3.4 km | |
| 12 | River St at Gerrard St East | 3.7 km | |
| 13 | Gerrard St East at Blackburn St | 4.0 km | |
| 14 | Jack Layton Way at Blue Rodeo Dr | 4.4 km | |
| 15 | Jack Layton Way at St Matthews Rd | 4.5 km | Terminus |
Inbound: Jack Layton Way at St Matthews Rd → 1 Front St West – Union Station
This direction has 18 stops and runs 4.9 km. The route passes St Matthews Rd at Gerrard St East, Bayview Ave at Front St East, Berkeley St at Front St East South Side, The Esplanade at Church St West Side. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Jack Layton Way at St Matthews Rd | 0.1 km | Terminus |
| 2 | St Matthews Rd at Gerrard St East | 0.2 km | |
| 3 | Gerrard St East at River St | 0.5 km | |
| 4 | River St at Dundas St East South Side | 0.9 km | |
| 5 | River St at King St East | 1.3 km | |
| 6 | Bayview Ave at Front St East | 1.8 km | |
| 7 | Mill St at Cherry St West Side | 2.3 km | |
| 8 | Mill St at Trinity St | 2.5 km | |
| 9 | Mill St at Parliament St | 2.7 km | |
| 10 | Berkeley St at Front St East South Side | 3.0 km | |
| 11 | The Esplanade at Princess St | 3.2 km | |
| 12 | The Esplanade at Lower Sherbourne St | 3.4 km | |
| 13 | The Esplanade at Lower Jarvis St | 3.7 km | |
| 14 | The Esplanade at Church St West Side | 4.0 km | |
| 15 | The Esplanade at Yonge St | 4.3 km | |
| 16 | Yonge St at Front St East | 4.4 km | |
| 17 | Bay St at Front St West South Side – Union Station | 4.9 km | |
| 18 | 1 Front St West – Union Station | 4.4 km | Terminus |
Schedule and frequency
According to the official schedule from the Toronto Transit Commission, the route runs 47 trips in one direction on a weekday, and 42 on a weekend day.
| Direction | Weekdays | Weekends and holidays |
|---|---|---|
| From «1 Front St West – Union Station» | 00:14 — 23:44 | 00:01 — 23:31 |
| From «Jack Layton Way at St Matthews Rd» | 00:14 — 23:44 | 00:00 — 23:30 |
Frequency calculated from the departure table: in the morning peak buses run every 20–30 minutes, most often every 20; midday every 28–30 minutes; in the afternoon peak every 24; on weekends every 19–30 minutes.
Fare and payment
A single ride costs 3.35 $. The same fare applies to streetcars, buses and the subway in Toronto.
A cash fare is $3.35 and covers one ride only. Paying with a PRESTO card, debit or credit card costs $3.30 and includes two hours of unlimited transfers. A day pass is $13.50, a monthly adult pass $156.00. Transfers within 120 minutes are free. The two-hour transfer applies only to fares paid by card; a cash fare covers a single ride. An unlimited monthly pass costs $156.00.
Frequently asked questions
How much does a ride on bus 121 cost?
3.35 $ for a single ride.
When do the first and last trips run?
From 1 Front St West – Union Station the first is at 00:14 and the last at 23:44. From Jack Layton Way at St Matthews Rd they are 00:14 and 23:44.
How long does the trip from 1 Front St West – Union Station to Jack Layton Way at St Matthews Rd take?
About 28 minutes end to end — the median of full trips in the official schedule.
How many stops does the route have?
15 outbound and 18 inbound according to the official GTFS feed. The two lists do not match exactly.
Does bus 121 run on weekends?
Yes. On weekends and holidays there are 42 trips in one direction, running from 1 Front St West – Union Station between 00:01 and 23:31.
Every route number with its termini, operating hours and travel time is collected in the Toronto buses overview.
Data current as of August 22, 2026. Schedule and termini — the Toronto Transit Commission (TTC). Fares — Toronto Transit Commission, Fares & passes. Stop list, schedule and route geometry come from the official GTFS feed (City of Toronto Open Data).