Coming soon: Lines 2 and 4
O-TRAIN LINE 
l LINE 
Coming soon
13
NEW STATIONS
- Line 2
Bayview – Limebank: 8 new stations, 5 upgraded stations. - Line 4 South Keys – Airport: 2 new stations.
1
AIRPORT LINK
- Line 4 connects South Keys to YOW every 12 minutes.
- Conveniently arrives at departures level.
2x
MORE SPACE
- 7 new FLIRT trains.
- Up to 420 riders.
- Higher capacity for a lower carbon footprint.
100%
MULTIMODAL
- Bike or walk using new pathways.
- New Park & Rides at Leitrim and Bowesville.
- Free transfers.
LINE 
BAYVIEW–LIMEBANK
The south becomes more accessible
Travel to the southern parts of Ottawa has never been easier with the O-Train extension. Enjoy faster routes and better connectivity to your favourite destinations.
6 new and 5 updated stations
Experience modern amenities, improved connectivity, and enhanced comfort. Enjoy seamless transfers, spacious platforms, and advanced facilities.
Many new destinations
Discover new destinations: Mooney’s Bay, South Keys, Riverside South, Dow’s Lake, and Little Italy, and more!
Key destinations
More about Line 2
Line 2 
Heading to campus?
Work commute
On your way home
LINE
AIRPORT–SOUTH KEYS
A new way to get to the Airport
The south extension offers a direct link from South Keys to the airport on Line 4, making travel to and from flights easier and stress free.
A station at the Airport
A new, modern, and fully enclosed station at the Departures level of Ottawa International Airport.
Quick 2-stop link to Line 2
Line 4 will ensure you have a quick and frequent service.
Key destinations
More about Line 4
Line 4
Convention at EY Centre?
Travelling for work?
Ready for a vacation?
Get ready for your new ride:
Stadler FLIRT Trains
A sleek addition to our fleet the Stadler FLIRT trains! These state-of-the-art trains are set to transform your commute on Line 2. They offer unparalleled comfort, efficiency, and sustainability. Alstom LINT trains will continue to run on Line 4 and will be used on Line 2 when needed, ensuring consistent service across both lines.
Eco-friendly
- Designed with generative braking to recycle energy and boost efficiency.
- Reduced nitrogen emissions, contributing to a cleaner environment.
Accessible
- Low floors for easy access, ideal for mobility devices, bikes, and strollers.
- High capacity, accommodating up to 420 riders for efficient travel.
Comfortable
- Designed to operate smoothly in harsh winter conditions.
- 8 doors for quick boarding; heated and air-conditioned for comfort.
Connection moves you
Escape the traffic, get on board for a smooth and scenic ride
Get ready for the O-Train South extension! Enjoy seamless rides with new Stadler FLIRT and the LINT trains.
The new lines make it easier to get to campus or work, discover hidden gems around your city like gelato shops, pizzerias, vintage stores, parks, and access places across Line 1.
Learn more
A smarter and greener way to navigate the city
New and updated stations are connected to multi-use pathways, making it easy to walk, bike, or skate to the nearest stop.
With plenty of bike racks, secure parking, and ramps, you can choose to leave your bike safely or bring it on board.
Learn moreAccessibility
for all
Low floors offer easy access, with plenty of space for mobility devices, bikes, and strollers. Cooperative seating ensures everyone has a comfortable ride.
All stations are fully accessible with dual elevators, ramps, and wide entryways.
Green-and-red light signals show when it’s safe to board, and audio announcements keep you informed every step of the way.
Learn more
LINES &
Stations virtual tours
Explore the modern design, accessibility features, and convenient connections each station offers. Get a glimpse of how these stations will enhance your daily commute and provide easy access to key destinations across the city.
Start using the interactive map
Your simple guide to get ready for the upcoming South O-Train Extension.
Get started pageLINES
Frequently asked questions
Lines
Bayview–Limebank │ Airport–South Keys
What areas will O-Train Line 2 serve? 
Line 2 runs from Bayview Station in downtown Ottawa to Limebank Road in Riverside South. With key stops at Carleton University, Mooney’s Bay, and Dow’s Lake, it connects important academic, recreational, and residential areas.
To explore all the new destinations on Line 2, visit our Interactive map.
What areas will O-Train Line 4 serve?
Line 4 connects South Keys Station to the airport, with additional stops at Uplands Station, conveniently located near the EY Centre.
To explore all the new destinations on Line 4, visit our interactive map.
How frequently will Line 2 and Line 4 trains run?
Trains on Lines 2 and 4 will run approximately every 12 minutes.
How can I connect to the Line 2 and Line 4 trains at South Keys Station?
At South Keys, you can transfer to Line 4 by going to the southbound platform, platform 1. Listen for audio announcements and look out for signage that will guide you to your next train.
For more details, see the station layout below:
How can I connect to the Line 2 trains at Bayview Station?
At Bayview, you can transfer to Line 2 from either Platform 1 or Platform 2, both located on the first level of the station. Audio and visual announcements, along with clear signage, will guide you to the correct platform for your next train.
For more details, see the station layout below:
When will O-Train Line 2 and Line 4 open for service?
The opening of Lines 2 and 4 is approaching, with the final steps now underway. The trial running phase has been completed, and OC Transpo, alongside TransitNext, is focused on securing final regulatory approvals and completing essential readiness tasks to prepare for customer service.
Currently, OC Transpo is finalizing staff training, readiness activities, and regulatory approvals. An announcement of the opening date will be provided in the coming weeks.
How do doors work on trains?
The doors on all trains will open and close at each stop, so customers don’t need to push buttons or touch the doors to get on or off. For your safety, please do not hold the doors open.
What are the payment options for Lines 2 & 4?
Paying for your ride on Lines 2 & 4 is simple and the same as paying for your ride on buses or Line 1:
- Use a Presto card, barcoded transfer from the bus, or pay with cash, credit, or debit at station ticket machines.
- Tap to access fare gates using a credit card, debit card, or mobile wallet via O-Payment.
- Transfer for free when you switch from another line or bus—just tap the same card.
- You can reload your Presto card or video chat with a customer service representative at ticket machines if needed.
Are the trains on Lines 2 and 4 accessible?
Yes, the trains are low-floor, feature level boarding with the platform, and include plenty of accessible seating. All new stations have two elevators, and they provide tactile wayfinding, audio announcements, and access to multi-use pathways.
When will the Line 2 and Line 4 Travel Planner be available?
The Travel Planner for O-Train Line 2 and Line 4 will be available once the launch date is announced, making it easy to plan your trips.
Stay tuned for updates!
What can you tell me about the stations along Line 2 and Line 4?
Lines 2 and 4 introduce 8 new stations along 16 kilometers of track. Each station is designed for modern convenience, featuring heated Transecure shelters, elevators, real-time information screens, and ample seating to enhance your travel experience.
Line 4 includes a fully enclosed Airport station located at the Departures level of Ottawa International Airport for easy access and comfort.
Can I bring my bike on Lines 2 & 4?
Yes, Lines 2 and 4 are bike-friendly. You can take your bicycle on the trains. Multi-use pathways are available at most stations, and runnels along stairwells make it easy to move your bike between levels.
How do Lines 2 and 4 fit in with the rest of the O-Train system?
Line 2 connects with Line 1 at Bayview Station, providing seamless transfers to downtown Ottawa and beyond. It also connects with Line 4 at South Keys Station for easy access to the airport.
Line 4 connects with Line 2 at South Keys Station, allowing for smooth transfers between the airport and other parts of the city.
Most stations offer connecting bus services, and Bowesville, Leitrim, and Greenboro Stations have Park & Ride lots with ample free parking spaces.
What should I expect during the transition period on Lines 2 and 4?
When O-Train Lines 2 and 4 open, OC Transpo staff will be at key locations for up to three weeks to help you navigate the new lines.
Additional details regarding bus service and the transition period that will follow the opening of Lines 2 and 4 will be provided once the launch date is announced.