# Stop 8581 — SB Citadel WY @ Citadel Acres CL NW: Bus Schedule & Departure Times, Calgary

Stop 8581 (SB Citadel WY @ Citadel Acres CL NW, northwest Calgary) is served by Route 138 Citadel toward TUSCANY STATION and Route 812 St. Francis/E. Arbour Lake/Citadel toward ST FRANCIS ARBOUR LAKE CITADEL. On Monday–Friday & Monday–Thursday & Stampede (Jul 6–10) & Friday & Stampede (Jul 2) & Stampede (Jul 3) & Stampede (Jul 8) & Stampede (Jul 13) days the first departure is at 5:04 AM and the last at 12:10 AM, about every 30 minutes at peak. All times are scheduled times, effective Jun 3 – Aug 30, 2026.

## Service alerts

No alerts currently listed for this stop — live alert list at /alerts/, updated every 10 minutes.

## Route 138 Citadel — toward TUSCANY STATION

On Monday–Friday & Monday–Thursday & Stampede (Jul 6–10) & Friday & Stampede (Jul 2) & Stampede (Jul 3) & Stampede (Jul 8) & Stampede (Jul 13) days, the first bus toward TUSCANY STATION departs at 5:04 AM and the last at 12:10 AM, typically every 30 minutes.

### Monday–Friday & Monday–Thursday & Stampede (Jul 6–10) & Friday & Stampede (Jul 2) & Stampede (Jul 3) & Stampede (Jul 8) & Stampede (Jul 13)

Route 138 toward TUSCANY STATION — departures from stop 8581 (SB Citadel WY @ Citadel Acres CL NW), Monday–Friday & Monday–Thursday & Stampede (Jul 6–10) & Friday & Stampede (Jul 2) & Stampede (Jul 3) & Stampede (Jul 8) & Stampede (Jul 13), effective Jun 3 – Aug 30, 2026

| Hour | Departures |
| --- | --- |
| 5 AM | 5:04, 5:40 |
| 6 AM | 6:10, 6:40 |
| 7 AM | 7:11, 7:41 |
| 8 AM | 8:11, 8:43 |
| 9 AM | 9:13, 9:44 |
| 10 AM | 10:14, 10:42 |
| 11 AM | 11:12, 11:42 |
| 12 PM | 12:12, 12:42 |
| 1 PM | 1:12, 1:42 |
| 2 PM | 2:12, 2:44 |
| 3 PM | 3:14, 3:30, 3:45 |
| 4 PM | 4:17, 4:49 |
| 5 PM | 5:19, 5:49 |
| 6 PM | 6:19, 6:46 |
| 7 PM | 7:11, 7:41 |
| 8 PM | 8:11, 8:41 |
| 9 PM | 9:11, 9:40 |
| 10 PM | 10:10, 10:40 |
| 11 PM | 11:10, 11:40 |
| After midnight | 12:10 AM (after midnight — late-night service from the previous service day) |

All departures (Monday–Friday & Monday–Thursday & Stampede (Jul 6–10) & Friday & Stampede (Jul 2) & Stampede (Jul 3) & Stampede (Jul 8) & Stampede (Jul 13)): 5:04 AM, 5:40 AM, 6:10 AM, 6:40 AM, 7:11 AM, 7:41 AM, 8:11 AM, 8:43 AM, 9:13 AM, 9:44 AM, 10:14 AM, 10:42 AM, 11:12 AM, 11:42 AM, 12:12 PM, 12:42 PM, 1:12 PM, 1:42 PM, 2:12 PM, 2:44 PM, 3:14 PM, 3:30 PM, 3:45 PM, 4:17 PM, 4:49 PM, 5:19 PM, 5:49 PM, 6:19 PM, 6:46 PM, 7:11 PM, 7:41 PM, 8:11 PM, 8:41 PM, 9:11 PM, 9:40 PM, 10:10 PM, 10:40 PM, 11:10 PM, 11:40 PM, 12:10 AM (after midnight)

### Sunday & holidays & Sunday (Jun 7) & Sunday (Jun 14) & Sunday (Jun 21) & Stampede (Jul 5) & Stampede (Jul 12)

Route 138 toward TUSCANY STATION — departures from stop 8581 (SB Citadel WY @ Citadel Acres CL NW), Sunday & holidays & Sunday (Jun 7) & Sunday (Jun 14) & Sunday (Jun 21) & Stampede (Jul 5) & Stampede (Jul 12), effective Jun 3 – Aug 30, 2026

| Hour | Departures |
| --- | --- |
| 6 AM | 6:08, 6:48 |
| 7 AM | 7:28 |
| 8 AM | 8:08, 8:48 |
| 9 AM | 9:28 |
| 10 AM | 10:08, 10:48 |
| 11 AM | 11:28 |
| 12 PM | 12:10, 12:50 |
| 1 PM | 1:31 |
| 2 PM | 2:11, 2:51 |
| 3 PM | 3:31 |
| 4 PM | 4:11, 4:51 |
| 5 PM | 5:31 |
| 6 PM | 6:09, 6:48 |
| 7 PM | 7:28 |
| 8 PM | 8:08, 8:48 |
| 9 PM | 9:28 |
| 10 PM | 10:08, 10:48 |
| 11 PM | 11:28 |

All departures (Sunday & holidays & Sunday (Jun 7) & Sunday (Jun 14) & Sunday (Jun 21) & Stampede (Jul 5) & Stampede (Jul 12)): 6:08 AM, 6:48 AM, 7:28 AM, 8:08 AM, 8:48 AM, 9:28 AM, 10:08 AM, 10:48 AM, 11:28 AM, 12:10 PM, 12:50 PM, 1:31 PM, 2:11 PM, 2:51 PM, 3:31 PM, 4:11 PM, 4:51 PM, 5:31 PM, 6:09 PM, 6:48 PM, 7:28 PM, 8:08 PM, 8:48 PM, 9:28 PM, 10:08 PM, 10:48 PM, 11:28 PM

### Saturday (Jun 27 – Aug 29) & Stampede (Jul 4–11) & Saturday (Jun 6) & Saturday (Jun 13) & Saturday (Jun 20)

Route 138 toward TUSCANY STATION — departures from stop 8581 (SB Citadel WY @ Citadel Acres CL NW), Saturday (Jun 27 – Aug 29) & Stampede (Jul 4–11) & Saturday (Jun 6) & Saturday (Jun 13) & Saturday (Jun 20), effective Jun 3 – Aug 30, 2026

| Hour | Departures |
| --- | --- |
| 6 AM | 6:08, 6:48 |
| 7 AM | 7:28 |
| 8 AM | 8:08, 8:48 |
| 9 AM | 9:28 |
| 10 AM | 10:08, 10:48 |
| 11 AM | 11:28 |
| 12 PM | 12:09, 12:49 |
| 1 PM | 1:30 |
| 2 PM | 2:10, 2:50 |
| 3 PM | 3:30 |
| 4 PM | 4:10, 4:50 |
| 5 PM | 5:30 |
| 6 PM | 6:08, 6:48 |
| 7 PM | 7:28 |
| 8 PM | 8:08, 8:48 |
| 9 PM | 9:28 |
| 10 PM | 10:08, 10:48 |
| 11 PM | 11:28 |
| After midnight | 12:08 AM (after midnight — late-night service from the previous service day) |

All departures (Saturday (Jun 27 – Aug 29) & Stampede (Jul 4–11) & Saturday (Jun 6) & Saturday (Jun 13) & Saturday (Jun 20)): 6:08 AM, 6:48 AM, 7:28 AM, 8:08 AM, 8:48 AM, 9:28 AM, 10:08 AM, 10:48 AM, 11:28 AM, 12:09 PM, 12:49 PM, 1:30 PM, 2:10 PM, 2:50 PM, 3:30 PM, 4:10 PM, 4:50 PM, 5:30 PM, 6:08 PM, 6:48 PM, 7:28 PM, 8:08 PM, 8:48 PM, 9:28 PM, 10:08 PM, 10:48 PM, 11:28 PM, 12:08 AM (after midnight)

## Route 812 St. Francis/E. Arbour Lake/Citadel — toward ST FRANCIS ARBOUR LAKE CITADEL

On Monday–Thursday days, the first bus toward ST FRANCIS ARBOUR LAKE CITADEL departs at 4:11 PM and the last at 4:11 PM.

### Monday–Thursday

Route 812 toward ST FRANCIS ARBOUR LAKE CITADEL — departures from stop 8581 (SB Citadel WY @ Citadel Acres CL NW), Monday–Thursday, effective Jun 3 – Aug 30, 2026

| Hour | Departures |
| --- | --- |
| 4 PM | 4:11 |

All departures (Monday–Thursday): 4:11 PM

### Friday

Route 812 toward ST FRANCIS ARBOUR LAKE CITADEL — departures from stop 8581 (SB Citadel WY @ Citadel Acres CL NW), Friday, effective Jun 3 – Aug 30, 2026

| Hour | Departures |
| --- | --- |
| 3 PM | 3:11 |

All departures (Friday): 3:11 PM

## Frequently asked questions

### When is the first Route 138 bus from stop 8581?

The first Route 138 bus toward TUSCANY STATION departs stop 8581 at 5:04 AM on Monday–Friday & Monday–Thursday & Stampede (Jul 6–10) & Friday & Stampede (Jul 2) & Stampede (Jul 3) & Stampede (Jul 8) & Stampede (Jul 13) days, and the last at 12:10 AM.

### Does Route 138 run on Sundays from stop 8581?

Yes — see the Sunday & holidays table above for Route 138 departures from this stop.

### When is the first Route 812 bus from stop 8581?

The first Route 812 bus toward ST FRANCIS ARBOUR LAKE CITADEL departs stop 8581 at 4:11 PM on Monday–Thursday days, and the last at 4:11 PM.

### Does Route 812 run on Sundays from stop 8581?

No — Route 812 has no scheduled Sunday departures from this stop in the current schedule period.

### Where is stop 8581?

Stop 8581 is at SB Citadel WY @ Citadel Acres CL NW in northwest Calgary (51.145279, -114.19534).

## About stop 8581

- Location: 51.145279, -114.19534 — northwest Calgary (NW quadrant)
- Routes serving this stop: [Route 138](https://calgarytransittimes.com/routes/138/), [Route 812](https://calgarytransittimes.com/routes/812/)
- Nearby: [6404 — NB Citadel WY @ Citadel Acres CL NW](https://calgarytransittimes.com/stops/6404/) (about 84 m, Routes 138, 772, 812)
- Nearby: [8582 — WB @ Citadel Terminal NW](https://calgarytransittimes.com/stops/8582/) (about 133 m, Routes 138, 772, 812, 816)
- Nearby: [6495 — SB Citadel WY @ Citadel Bluff CL NW](https://calgarytransittimes.com/stops/6495/) (about 192 m, Routes 138, 812)
- Nearby: [3463 — NB Citadel WY @ N. of Country Hills BV NW](https://calgarytransittimes.com/stops/3463/) (about 212 m, Routes 138)
- Nearby: [6465 — NB Citadel WY @ Citadel Estates HT NW](https://calgarytransittimes.com/stops/6465/) (about 278 m, Routes 138, 772, 812)

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Contains information licensed under the [Open Government Licence – City of Calgary](https://data.calgary.ca/stories/s/u45n-7awa). Independent site, not affiliated with or endorsed by Calgary Transit or The City of Calgary — official info at [calgarytransit.com](https://www.calgarytransit.com). Schedule data from the City of Calgary GTFS feed published Jun 3, 2026, valid Jun 3 – Aug 30, 2026.