Bus 45 in Ottawa links Rideau B and RING ROAD / Rehab (TOH). The route is 8.3 km long with 12 stops, and the official schedule from OC Transpo puts the full trip at about 19 minutes. On a weekday it runs 73 trips in one direction, and 43 on a weekend day.

Route at a glance
| Mode | Bus |
|---|---|
| Route number | 45 |
| City | Ottawa |
| Transit authority | OC Transpo |
| Start → end | Rideau B → RING ROAD / Rehab (TOH) |
| End → start | RING ROAD / Rehab (TOH) → Rideau B |
| Route length | 8.3 km / 9.5 km in the opposite direction |
| Number of stops | 12 / 17 in the opposite direction |
| Travel time | about 19 minutes |
| Trips per day | 73 on weekdays, 43 on weekends one way |
| Frequency | peak 13–17 · midday 15 · weekend 30 |
| First / last trip from «Rideau B» | 00:00 / 23:30 |
| First / last trip from «RING ROAD / Rehab (TOH)» | 00:05 / 23:35 |
| Fare | — |
| Updated | August 23, 2026 |
Route of Bus 45
Outbound: Rideau B → RING ROAD / Rehab (TOH)
This direction has 12 stops and runs 8.3 km. The route passes Laurier E / Copernicus, Uottawa A, Lees / Chapel, 169 Lees Ave. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Rideau B | 0.0 km | Terminus |
| 2 | Laurier E / Copernicus | 1.1 km | |
| 3 | King Edward / Osgoode | 1.4 km | |
| 4 | Uottawa A | 1.7 km | |
| 5 | King Edward / Templeton | 1.9 km | |
| 6 | Lees / Chapel | 2.7 km | |
| 7 | Lees A | 3.0 km | |
| 8 | 169 Lees Ave | 3.2 km | |
| 9 | Hurdman C | 5.7 km | |
| 10 | Lycée Claudel 1A (B) | 6.7 km | |
| 11 | Hospital Link / Alta Vista | 7.4 km | |
| 12 | RING ROAD / Rehab (TOH) | 8.3 km | Terminus |
Inbound: RING ROAD / Rehab (TOH) → Rideau B
This direction has 17 stops and runs 9.5 km. The route passes Ring Road, Ring Road / Toh General Campus, Ring Road / Ronald Mcdonald House, Hurdman A. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | RING ROAD / Rehab (TOH) | 0.0 km | Terminus |
| 2 | Ring Road | 0.1 km | |
| 3 | Ring Road | 0.3 km | |
| 4 | Ring / Cancer Centre | 0.6 km | |
| 5 | Ring Road / Toh General Campus | 1.0 km | |
| 6 | Ring / Toh General Campus | 1.1 km | |
| 7 | Cheo Entrance | 1.3 km | |
| 8 | Ring Road / Ronald Mcdonald House | 1.7 km | |
| 9 | Hospital Link / Alta Vista | 2.5 km | |
| 10 | Lycée Claudel 2A (A) | 3.1 km | |
| 11 | Hurdman A | 3.8 km | |
| 12 | Transitway / Terminal | 4.6 km | |
| 13 | King Edward / Templeton | 7.7 km | |
| 14 | Uottawa B | 8.0 km | |
| 15 | King Edward / Osgoode | 8.2 km | |
| 16 | Laurier E / Cumberland | 8.6 km | |
| 17 | Rideau A | 9.5 km | Terminus |
Schedule and frequency
According to the official schedule from OC Transpo, the route runs 73 trips in one direction on a weekday, and 43 on a weekend day.
| Direction | Weekdays | Weekends and holidays |
|---|---|---|
| From «Rideau B» | 00:00 — 23:30 | 00:23 — 23:53 |
| From «RING ROAD / Rehab (TOH)» | 00:05 — 23:35 | 00:10 — 23:40 |
Frequency calculated from the departure table: in the morning peak buses run every 13–17 minutes, most often every 15; midday every 15 minutes; in the afternoon peak every 15; on weekends every 30 minutes.
Frequently asked questions
When do the first and last trips run?
From Rideau B the first is at 00:00 and the last at 23:30. From RING ROAD / Rehab (TOH) they are 00:05 and 23:35.
How long does the trip from Rideau B to RING ROAD / Rehab (TOH) take?
About 19 minutes end to end — the median of full trips in the official schedule.
How many stops does the route have?
12 outbound and 17 inbound according to the official GTFS feed. The two lists do not match exactly.
Does bus 45 run on weekends?
Yes. On weekends and holidays there are 43 trips in one direction, running from Rideau B between 00:23 and 23:53.
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).