Bus 189 in Ottawa links Baseline 1B and Colonnade / Ad. 164. The route is 9.7 km long with 34 stops, and the official schedule from OC Transpo puts the full trip at about 23 minutes. On a weekday it runs 37 trips in one direction, and 14 on a weekend day.
Route at a glance
| Mode | Bus |
|---|---|
| Route number | 189 |
| City | Ottawa |
| Transit authority | OC Transpo |
| Start → end | Baseline 1B → Colonnade / Ad. 164 |
| End → start | Colonnade / Ad. 164 → Baseline 1B |
| Route length | 9.7 km / 9.6 km in the opposite direction |
| Number of stops | 34 / 39 in the opposite direction |
| Travel time | about 23 minutes |
| Trips per day | 37 on weekdays, 14 on weekends one way |
| Frequency | peak 30 · midday 29–30 · weekend 60 |
| First / last trip from «Baseline 1B» | 00:20 / 23:20 |
| First / last trip from «Colonnade / Ad. 164» | 00:40 / 23:45 |
| Fare | — |
| Updated | August 23, 2026 |
Route of Bus 189
Outbound: Baseline 1B → Colonnade / Ad. 164
This direction has 34 stops and runs 9.7 km. The route passes Woodroffe / David, Meadowlands / Merivale, Viewmount / Europa, Colonnade / Colonnade. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Baseline 1B | 0.0 km | Terminus |
| 2 | Woodroffe / David | 0.7 km | |
| 3 | Meadowlands / Woodroffe | 0.9 km | |
| 4 | Meadowlands / Sullivan | 1.3 km | |
| 5 | Meadowlands / Viewmount | 1.7 km | |
| 6 | Meadowlands / Indian | 2.1 km | |
| 7 | Meadowlands / Savuto | 2.3 km | |
| 8 | Meadowlands / Perry | 2.6 km | |
| 9 | Meadowlands / Merivale | 3.0 km | |
| 10 | Meadowlands / Merivale | 3.1 km | |
| 11 | Chesterton / Mulvagh | 3.6 km | |
| 12 | Chesterton / Southview | 3.8 km | |
| 13 | Chesterton / Hillhurst | 3.9 km | |
| 14 | Chesterton / Bowhill | 4.2 km | |
| 15 | Chesterton / Assiniboine | 4.4 km | |
| 16 | Chesterton / Juniper | 4.6 km | |
| 17 | Chesterton / Viewmount | 4.8 km | |
| 18 | Viewmount / Europa | 5.0 km | |
| 19 | Viewmount / Onondaga | 5.2 km | |
| 20 | Viewmount / Biscayne | 5.4 km | |
| 21 | Viewmount / Overlake | 5.6 km | |
| 22 | Viewmount / Grant Carman | 6.0 km | |
| 23 | Merivale / Viewmount | 6.2 km | |
| 24 | Colonnade / Merivale | 6.7 km | |
| 25 | Colonnade / Ad. 8 | 6.9 km | |
| 26 | Colonnade / Colonnade | 7.2 km | |
| 27 | Colonnade / Ad. 40 | 7.5 km | |
| 28 | Colonnade / Ad. 60 | 7.8 km | |
| 29 | Colonnade / Ad. 80 | 8.0 km | |
| 30 | Colonnade / Ad. 100 | 8.6 km | |
| 31 | Colonnade / Ad. 112 | 8.8 km | |
| 32 | Colonnade / Ad. 120 | 9.1 km | |
| 33 | Colonnade / Ad. 146 | 9.3 km | |
| 34 | Colonnade / Ad. 164 | 9.7 km | Terminus |
Inbound: Colonnade / Ad. 164 → Baseline 1B
This direction has 39 stops and runs 9.6 km. The route passes Colonnade / Merivale Depot, Colonnade / Colonnade, Chesterton / Juniper, Meadowlands / Joan. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Colonnade / Concourse | 0.0 km | Terminus |
| 2 | Colonnade / Merivale Depot | 0.2 km | |
| 3 | Colonnade / 147 Colonnade | 0.4 km | |
| 4 | Colonnade / Colonnade | 0.7 km | |
| 5 | Colonnade / 106 Colonnade | 0.9 km | |
| 6 | Colonnade / Citiplace | 1.1 km | |
| 7 | Colonnade / 82 Colonnade | 1.3 km | |
| 8 | Colonnade / 80 Colonnade | 1.5 km | |
| 9 | Colonnade / 60 Colonnade | 1.7 km | |
| 10 | Colonnade / 40 Colonnade | 2.0 km | |
| 11 | Colonnade / Colonnade | 2.4 km | |
| 12 | Colonnade / Ad. 8 | 2.6 km | |
| 13 | Merivale / Colonnade | 3.0 km | |
| 14 | Merivale / Viewmount | 3.4 km | |
| 15 | Viewmount / Grant Carman | 3.6 km | |
| 16 | Viewmount / Overlake | 3.9 km | |
| 17 | Viewmount / Biscayne | 4.2 km | |
| 18 | Viewmount / Onondaga | 4.4 km | |
| 19 | Viewmount / Europa | 4.6 km | |
| 20 | Chesterton / Juniper | 5.0 km | |
| 21 | Chesterton / Assiniboine | 5.2 km | |
| 22 | Chesterton / Bowhill | 5.3 km | |
| 23 | Chesterton / Woodmount | 5.6 km | |
| 24 | Chesterton / Southview | 5.8 km | |
| 25 | Chesterton / Mulvagh | 6.0 km | |
| 26 | Chesterton / Meadowlands | 6.1 km | |
| 27 | Meadowlands / Merivale | 6.4 km | |
| 28 | Meadowlands / Bayne | 6.6 km | |
| 29 | Meadowlands / Joan | 6.8 km | |
| 30 | Meadowlands / Peter | 7.1 km | |
| 31 | Meadowlands / Savuto | 7.4 km | |
| 32 | Meadowlands / Indian | 7.6 km | |
| 33 | Meadowlands / Viewmount | 7.9 km | |
| 34 | Meadowlands / Thatcher | 8.1 km | |
| 35 | Meadowlands / Sullivan | 8.3 km | |
| 36 | Meadowlands / Woodroffe | 8.6 km | |
| 37 | Woodroffe / Meadowlands | 8.8 km | |
| 38 | Woodroffe / David | 8.9 km | |
| 39 | Baseline 2B | 9.6 km | Terminus |
Schedule and frequency
According to the official schedule from OC Transpo, the route runs 37 trips in one direction on a weekday, and 14 on a weekend day.
| Direction | Weekdays | Weekends and holidays |
|---|---|---|
| From «Baseline 1B» | 00:20 — 23:20 | 07:00 — 20:00 |
| From «Colonnade / Ad. 164» | 00:40 — 23:45 | 06:30 — 19:30 |
Frequency calculated from the departure table: in the morning peak buses run every 30 minutes; midday every 29–30 minutes; in the afternoon peak every 30; on weekends every 60 minutes.
Frequently asked questions
When do the first and last trips run?
From Baseline 1B the first is at 00:20 and the last at 23:20. From Colonnade / Ad. 164 they are 00:40 and 23:45.
How long does the trip from Baseline 1B to Colonnade / Ad. 164 take?
About 23 minutes end to end — the median of full trips in the official schedule.
How many stops does the route have?
34 outbound and 39 inbound according to the official GTFS feed. The two lists do not match exactly.
Does bus 189 run on weekends?
Yes. On weekends and holidays there are 14 trips in one direction, running from Baseline 1B between 07:00 and 20:00.
Every route number with its termini, operating hours and travel time is collected in the Ottawa buses overview.
Data current as of August 23, 2026. Schedule and termini — OC Transpo. Fares — OC Transpo. Stop list, schedule and route geometry come from the official GTFS feed (OC Transpo, version S1000512-S1000514).