OC Transpo bus route · Frequent & local routes (1–199)

Route 18

St-Laurent ⇄ Billings Bridge. Runs weekdays 5:04 AM – 11:49 PM, about every 30 min; Saturdays 6:31 AM – 11:33 PM, about every 30 min; Sundays 7:57 AM – 11:51 PM, about every 30 min. 106 stops, including 2 O-Train stations. Buses are signed “St-Laurent” or “Billings Bridge” or “Immaculata” or “Rideau”.

Route 18: no disruptions posted (as of last build)

No live arrivals — we don’t have OC Transpo’s real-time feed. The pill reflects OC Transpo’s publicly-posted alerts. For arrival times, use octranspo.com; for planned hours see the schedule below.

Route 18 schedule

Day	First trip	Last trip	Frequency	Trips
Weekdays	5:04 AM	11:49 PM	about every 30 min	75
Saturdays	6:31 AM	11:33 PM	about every 30 min	65
Sundays	7:57 AM	11:51 PM	about every 30 min	58

Destinations shown on the bus: St-Laurent · Billings Bridge · Immaculata · Rideau

From OC Transpo's published GTFS schedule (S1000524), counted on 2026-10-27 / 2026-10-24 / 2026-10-25. Frequency is the typical daytime gap between departures in the busier direction. Planned times, not live — holidays and detours differ.

Stops on Route 18

Every stop and station this route serves, in the order OC Transpo lists them. Tap one for the first and last bus at that stop, the other routes there, and the nearest O-Train station.

O-Train station

St-Laurent

16 routes

Stop 8538

St-Laurent / Tremblay

6 routes

Stop 7129

Tremblay / Ad. 529

3 routes

Stop 1574

Tremblay / Avenue U

3 routes

Stop 7124

Tremblay / Avenue R

3 routes

Stop 1836

Tremblay / Belfast

3 routes

Stop 8586

Belfast / Coventry

1 route

Stop 7117

Coventry / Belfast

2 routes

Stop 7116

Lola / Coventry

2 routes

Stop 7115

Lola / Presland

2 routes

Stop 9883

Queen Mary / Lola

1 route

Stop 9881

Queen Mary / Quill

1 route

Stop 7094

Queen Mary / Vera

2 routes

Stop 8580

Queen Mary / Vanier

2 routes

Stop 7093

Queen Mary / Marion

2 routes

Stop 7092

Queen Mary / North River

2 routes

Stop 8581

North River / Columbus

2 routes

Stop 7090

North River / Ontario

2 routes

Stop 8768

North River / Washington

2 routes

Stop 7088

North River / Mcarthur

3 routes

Stop 8786

North River / Selkirk

3 routes

Stop 1845

Rideau / Wurtemburg

8 routes

Stop 2337

Rideau / Charlotte

8 routes

Stop 2325

Rideau / Augusta

9 routes

Stop 7591

Rideau / Chapel

9 routes

Stop 7594

Rideau / Nelson

9 routes

Stop 1658

Rideau / King Edward

9 routes

Stop 7596

Rideau / Dalhousie

9 routes

O-Train station

Rideau

22 routes

Stop 7558

Elgin / Queen

14 routes

Stop 7559

Elgin / Slater

3 routes

Stop 8465

Elgin / Nepean

3 routes

Stop 7676

Elgin / Lisgar

3 routes

Stop 2471

Elgin / Somerset W

3 routes

Stop 7673

Elgin / Lewis

3 routes

Stop 2472

Elgin / Gladstone

3 routes

Stop 2473

Elgin / Mcleod

2 routes

Stop 2476

Elgin / Catherine

2 routes

Stop 2447

Hawthorne / Colonel By

4 routes

Stop 7635

Main / Graham

2 routes

Stop 6809

Main / Oblats

5 routes

Stop 7639

Main / Hazel

3 routes

Stop 7640

Main / Clegg

3 routes

Stop 7641

Main / Bower

3 routes

Stop 6749

Riverdale / Glenview

1 route

Stop 7643

Riverdale / Ad. 100 Riverdale

1 route

Stop 6750

Riverdale / Echo

1 route

Stop 7645

Riverdale / Southern

1 route

Stop 7646

Riverdale / Sunnyside

1 route

Stop 7647

Riverdale / Belmont

1 route

Stop 6751

Riverdale / Cameron

1 route

Stop 3325

Bank / Riverdale

2 routes

Stop 8261

Bank / Riverside

2 routes

Transitway station

Billings Bridge

19 routes

Stop CF185

Main / Evelyn

2 routes

Stop 2351

Rideau / Cumberland

8 routes

Stop 7595

Rideau / King Edward

8 routes

Stop 2333

Rideau / Nelson

8 routes

Stop 7593

Rideau / Friel

8 routes

Stop 2331

Rideau / Augusta

8 routes

Stop 7590

Rideau / Charlotte

7 routes

Stop 8780

North River / Montréal

3 routes

Stop 7087

North River / Ad. 333

3 routes

Stop 8772

North River / Washington

2 routes

Stop 7089

North River / Ontario

2 routes

Stop 1897

North River / Columbus

2 routes

Stop 7328

Queen Mary / North River

2 routes

Stop 7091

Queen Mary / Marion

2 routes

Stop 8576

Queen Mary / Vanier

2 routes

Stop 7097

Queen Mary / Vera

2 routes

Stop 9880

Queen Mary / Quill

1 route

Stop 9882

Queen Mary / Lola

1 route

Stop 7113

Lola / Presland

2 routes

Stop 8589

Lola / Coventry

2 routes

Stop 7118

360 Coventry

2 routes

Stop 5867

Belfast / Coventry

1 route

Stop 1849

Tremblay / Avenue P

3 routes

Stop 7126

Tremblay / Avenue R

3 routes

Stop 7127

Tremblay / Avenue U

3 routes

Stop 7128

Tremblay / Ad. 530

3 routes

Stop 1091

St-Laurent / Tremblay

7 routes

Stop 4100

Bank / Riverside

2 routes

Stop 8298

Bank / Riverside

2 routes

Stop 6741

Bank / Riverdale

2 routes

Stop 7650

Riverdale / Windsor

1 route

Stop 6742

Riverdale / Belmont

1 route

Stop 7649

Riverdale / Sunnyside

1 route

Stop 6743

Riverdale / Southern

1 route

Stop 7648

Riverdale / Avenue

1 route

Stop 7644

Riverdale / Ad. 111

1 route

Stop 6744

Riverdale / Glenview

1 route

Stop 7642

Main / Beckwith

3 routes

Stop 7651

Main / Clegg

3 routes

Stop 7638

Main / Herridge

3 routes

Stop 7636

Main / Oblats

3 routes

Stop 6799

Main / Lees

4 routes

Stop 7634

Hawthorne / Main

5 routes

Stop 7633

Hawthorne / Colonel By

5 routes

Stop DT022

Elgin / Park

3 routes

Stop 2468

Elgin / Mcleod

3 routes

Stop 6403

Elgin / Waverly

4 routes

Stop 2469

Elgin / Gilmour

4 routes

Stop 7674

Elgin / Cooper

4 routes

Stop 7675

Elgin / Nepean

4 routes

Stop 7560

Elgin / Slater

4 routes

Stop 7557

Elgin / Wellington

13 routes

All OC Transpo routes · Current alerts · Is the O-Train running?