O-Train Lines 2 and 4 open for weekday service on Monday, January 6

Written By Wilson Lo

The City of Ottawa will open O-Train Lines 2 and 4 for weekday passenger service starting on Monday, January 6. Construction of the project was jointly funded by the Government of Canada, Province of Ontario and City of Ottawa.

Lines 2 and 4 are part of the O-Train South Extension that will extend Ottawa’s rail network from Bayview Station to Limebank Station in Riverside South and will include a link to the Ottawa International Airport on O-Train Line 4. This is a significant expansion of OC Transpo's transit system and will greatly enhance connectivity in the south of the city. The project also includes:

  • Eight new stations on the South Extension at Corso Italia, Walkley, South Keys, Leitrim, Bowesville, Limebank, Uplands and Airport.

  • Extension of five station platforms at Bayview, Dow’s Lake, Mooney’s Bay, Carleton and Greenboro to accommodate longer trains.

  • Seven new Stadler FLIRT vehicles and the refurbishment of six existing Alstom LINT trains that will nearly double the capacity of the system.

  • A new Albion Yard Maintenance and Storage Facility (MSF).

  • Numerous active transportation improvements such as new multi-use pathways and pedestrian bridges at the Rideau River and Hunt Club Road.

Phased Opening

Lines 2 and 4 will open in three phases to ensure reliable service, allow customers to become familiar with the new system, and provide time for additional staff training.

Phase one will start on Monday, January 6, where Lines 2 and 4 will operate five days a week, Monday through Friday, for a minimum of two weeks. In phase two, service will expand to six days a week, Monday through Saturday, and will run for a minimum of two weeks. In the third and final phase, service will expand to seven days a week.

Existing bus service will continue to run alongside Lines 2 and 4, providing parallel bus service options for customers. This parallel service, which includes B2 buses (formerly known as Line 2 buses), and Route 97 and Route 99 will be available for customers every day of the week.

The phased approach to opening with the support of parallel bus service was informed by the Public Inquiry report, lessons learned, and third-party recommendations.

O-Train Line 2

Line 2 will provide service approximately every 12 minutes during weekdays and take 35 minutes to travel the 19 kilometres from Bayview Station to Limebank Station. The Line 2 extension features 11 stations and three Park & Ride lots at Greenboro, Leitrim and Bowesville stations. Stadler FLIRT diesel trains↗ will operate along the track and can carry up to 420 passengers comfortably. Alstom LINT diesel trains, coupled together to match the capacity of the Stadler FLIRTs, can also operate on Line 2.

O-Train Line 4

Line 4 will provide service to the Ottawa International Airport with a connection to Line 2 at South Keys Station and a station at Uplands Drive, conveniently located near the EY Centre. Line 4 will provide service every 12 minutes and take approximately seven minutes to travel between Airport and South Keys stations. Line 4 will be served by Alstom LINT diesel trains↗ which previously operated successfully along Line 2 for several years. Each train will be able to carry up to 260 passengers comfortably.

New Ways to Bus

In April 2025, bus routes across the city will see significant changes as part of OC Transpo’s New Ways to Bus↗ network. Visit octranspo.com/NewsWaysToBus↗ to learn more.

For updates and trip planning assistance, visit octranspo.com↗, use the Travel Planner↗ and Transit App, or call 613-560-5000. You can also connect with OC Transpo on Facebook↗, X↗ (formerly Twitter), and Instagram↗.

For more information on City programs and services, visit ottawa.ca↗, call 3-1-1 (TTY: 613-580-2401) or 613-580-2400 to contact the City using Canada Video Relay Service. You can also connect with us through Facebook↗, X↗ (formerly Twitter) and Instagram↗.

Quick facts

Line 2

  • 19 kilometres

  • 11 stations

  • Three Park & Ride lots at Greenboro, Leitrim, and Bowesville stations which will provide 1,800 free parking spaces

  • 35 minute travel time from end-to-end

  • Service approximately every 12 minutes

  • Seven new Stadler FLIRT diesel trains, which are 80 metres long and capable of carrying 420 passengers

  • Two pedestrian bridges across the Rideau River and Hunt Club Road

  • A new six kilometre pathway between Hunt Club Road and Earl Armstrong Road that will connect the Sawmill Creek Multi-Use Pathway through to the Osgoode Trail

Line 4

  • Four kilometres

  • Two stations

  • Seven minute travel time from end-to-end

  • Service approximately every 12 minutes

  • Six Alstom LINT diesel trains, which are 42 metres long and capable of carrying 260 passengers

Wilson Lo
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