Ottawa Transit Service Alerts
Live OC Transpo service alerts, detours, and route changes. Updated every 15 minutes from OC Transpo.
OC Transpo Service Overview
OC Transpo is Ottawa's public transit system, serving over 100 million rides per year across the city. The network includes local and express bus routes, the O-Train light rail system, and Para Transpo accessible service.
O-Train Confederation Line
Line 1 — Tunney's Pasture to Blair. 13 stations through downtown Ottawa including Rideau, Parliament, Lyon, and Bayview. Replacement bus R1 operates during service disruptions.
O-Train Trillium Line
Line 2 — Bayview to South Keys and Limebank. Connects to Confederation Line at Bayview station. Replacement bus R2 operates during service disruptions.
Bus Network
Over 180 bus routes including local, frequent, connexion, and rural routes. Serving Kanata, Barrhaven, Orleans, Gloucester, Nepean, Stittsville, and all neighborhoods.
Types of OC Transpo Service Alerts
Service Notifications
Important advisories including winter weather warnings, system-wide service changes, and major disruptions affecting multiple routes or the O-Train network.
Detours
Route detours caused by road construction, watermain repairs, special events, or lane closures. Includes affected stops and temporary route changes.
Route Changes
Permanent or long-term route modifications, schedule changes, trip cancellations, and school route adjustments.
Frequently Affected Transit Corridors
These major Ottawa corridors frequently experience OC Transpo detours due to construction, events, and infrastructure projects:
Downtown & Central
Rideau Street, Bank Street, Elgin Street, Slater Street, Albert Street, Wellington Street, Sparks Street, Laurier Avenue, and the ByWard Market area. O-Train Confederation Line stations: Parliament, Rideau, uOttawa.
West End
Carling Avenue, Richmond Road, Scott Street, Byron Avenue, Churchill Avenue. Serves Westboro, Hintonburg, Tunney's Pasture, Lincoln Fields, and Bayshore. Transitway connections at Dominion, Westboro, and Tunney's Pasture stations.
South & Suburban
Bank Street (south), Riverside Drive, Heron Road, Walkley Road, Hunt Club Road, Merivale Road, Greenbank Road. Serves The Glebe, Old Ottawa South, Billings Bridge, South Keys, Barrhaven, and Nepean.
East End & Orleans
Montreal Road, St. Laurent Boulevard, Ogilvie Road, Innes Road, Jeanne d'Arc Boulevard, Trim Road. Serves Vanier, Gloucester, Orleans, Beacon Hill, and Blackburn Hamlet. Blair station connects to Confederation Line.
Official OC Transpo Resources
Data source: OC Transpo — Live Updates RSS Feed
Service alerts are published by OC Transpo staff on weekdays, Saturdays until 9 PM, and Sundays until 5 PM Eastern Time. Alerts include detours, cancelled trips, permanent route changes, and weather-related advisories affecting bus and O-Train service across Ottawa.