Bus 173 in Ottawa links Barrhaven Centre B and Citigate / Crosskeys. The route is 12.7 km long with 34 stops, and the official schedule from OC Transpo puts the full trip at about 18 minutes. On a weekday it runs 35 trips in one direction, and 28 on a weekend day.
Route at a glance
| Mode | Bus |
|---|---|
| Route number | 173 |
| City | Ottawa |
| Transit authority | OC Transpo |
| Start → end | Barrhaven Centre B → Citigate / Crosskeys |
| End → start | Citigate / Crosskeys → Barrhaven Centre B |
| Route length | 12.7 km / 12.7 km in the opposite direction |
| Number of stops | 34 / 33 in the opposite direction |
| Travel time | about 18 minutes |
| Trips per day | 35 on weekdays, 28 on weekends one way |
| Frequency | peak 30 · midday 30 · weekend 22–60 |
| First / last trip from «Barrhaven Centre B» | 05:20 / 23:04 |
| First / last trip from «Citigate / Crosskeys» | 04:45 / 22:46 |
| Fare | — |
| Updated | August 23, 2026 |
Route of Bus 173
Outbound: Barrhaven Centre B → Citigate / Crosskeys
This direction has 34 stops and runs 12.7 km. The route passes Marketplace B, Wolfgang / Fallowfield, Sherway / Sweetbriar, Kennevale / Flanders. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Barrhaven Centre B | 0.0 km | Terminus |
| 2 | Marketplace B | 0.3 km | |
| 3 | Strandherd B | 0.8 km | |
| 4 | Longfields 2A | 2.3 km | |
| 5 | Fallowfield B | 4.0 km | |
| 6 | Fallowfield A | 4.4 km | |
| 7 | Fallowfield / Fallowfield Station | 4.9 km | |
| 8 | Barrhaven Crossing | 5.6 km | |
| 9 | Fallowfield / Holitman | 6.1 km | |
| 10 | Wolfgang / Fallowfield | 6.6 km | |
| 11 | Wolfgang / Foxfield | 6.9 km | |
| 12 | Foxfield / Holitman | 7.2 km | |
| 13 | Foxfield / Knollsbrook | 7.3 km | |
| 14 | Foxfield / Falk | 7.5 km | |
| 15 | Malvern / Ventnor | 7.7 km | |
| 16 | Malvern / Tripp | 8.0 km | |
| 17 | Sherway / Sweetbriar | 8.2 km | |
| 18 | Sherway / Sweetbriar | 8.3 km | |
| 19 | Sherway / Tedwyn | 8.7 km | |
| 20 | Sherway / Vanessa | 9.0 km | |
| 21 | Sherway / Fable | 9.4 km | |
| 22 | Weybridge / Jockvale | 9.6 km | |
| 23 | Weybridge / Hopkinton | 9.7 km | |
| 24 | Kennevale / Hummingbird | 10.0 km | |
| 25 | Kennevale / Hummingbird | 10.2 km | |
| 26 | Kennevale / Flanders | 10.6 km | |
| 27 | Kennevale / Cedarview | 10.8 km | |
| 28 | Kennevale / Lamplighters | 10.9 km | |
| 29 | Cobble Hill / Kennevale | 11.2 km | |
| 30 | Cobble Hill / Fosterbrook | 11.5 km | |
| 31 | Cobble Hill / Maravista | 11.7 km | |
| 32 | Systemhouse / Trinity Crossing | 12.0 km | |
| 33 | Citigate / Systemhouse | 12.4 km | |
| 34 | Citigate / Crosskeys | 12.7 km | Terminus |
Inbound: Citigate / Crosskeys → Barrhaven Centre B
This direction has 33 stops and runs 12.7 km. The route passes Citigate / Systemhouse, Kennevale / Hennepin, Sherway / Dolan, Foxfield / Holitman. Below is the full list with the distance from the first stop.
| No. | Stop | From start | Note |
|---|---|---|---|
| 1 | Citigate / Crosskeys | 0.0 km | Terminus |
| 2 | Citigate / Systemhouse | 0.4 km | |
| 3 | Systemhouse / Pathway | 0.8 km | |
| 4 | Maravista / Cobble Hill | 1.0 km | |
| 5 | Cobble Hill / Copperfield | 1.3 km | |
| 6 | Kennevale / Cobble Hill | 1.6 km | |
| 7 | Kennevale / Lamplighters | 1.8 km | |
| 8 | Kennevale / Merner | 2.0 km | |
| 9 | Kennevale / Hennepin | 2.3 km | |
| 10 | Kennevale / Bourne | 2.6 km | |
| 11 | Weybridge / Kennevale | 2.9 km | |
| 12 | Weybridge / Jockvale | 3.1 km | |
| 13 | Sherway / Fable | 3.4 km | |
| 14 | Sherway / Vanessa | 3.7 km | |
| 15 | Sherway / Conway | 3.9 km | |
| 16 | Sherway / Dolan | 4.1 km | |
| 17 | Sherway / Burnett’s Grove | 4.4 km | |
| 18 | Sherway / Malvern | 4.6 km | |
| 19 | Malvern / Tripp | 4.7 km | |
| 20 | Malvern / Greenbank | 5.0 km | |
| 21 | Foxfield / Kadeer | 5.1 km | |
| 22 | Foxfield / Henfield | 5.4 km | |
| 23 | Foxfield / Holitman | 5.6 km | |
| 24 | Wolfgang / Foxfield | 5.8 km | |
| 25 | Fallowfield / Wolfgang | 6.2 km | |
| 26 | Fallowfield / Holitman | 6.5 km | |
| 27 | Barrhaven Crossing | 7.1 km | |
| 28 | Fallowfield B | 8.3 km | |
| 29 | Fallowfield A | 8.7 km | |
| 30 | Longfields 1A | 10.4 km | |
| 31 | Strandherd A | 11.9 km | |
| 32 | Marketplace A | 12.4 km | |
| 33 | Barrhaven Centre A | 12.7 km | Terminus |
Schedule and frequency
According to the official schedule from OC Transpo, the route runs 35 trips in one direction on a weekday, and 28 on a weekend day.
| Direction | Weekdays | Weekends and holidays |
|---|---|---|
| From «Barrhaven Centre B» | 05:20 — 23:04 | 06:27 — 23:27 |
| From «Citigate / Crosskeys» | 04:45 — 22:46 | 04:43 — 22:53 |
Frequency calculated from the departure table: in the morning peak buses run every 30 minutes; midday every 30 minutes; in the afternoon peak every 30; on weekends every 22–60 minutes.
Frequently asked questions
When do the first and last trips run?
From Barrhaven Centre B the first is at 05:20 and the last at 23:04. From Citigate / Crosskeys they are 04:45 and 22:46.
How long does the trip from Barrhaven Centre B to Citigate / Crosskeys take?
About 18 minutes end to end — the median of full trips in the official schedule.
How many stops does the route have?
34 outbound and 33 inbound according to the official GTFS feed. The two lists do not match exactly.
Does bus 173 run on weekends?
Yes. On weekends and holidays there are 28 trips in one direction, running from Barrhaven Centre B between 06:27 and 23:27.
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).