Few municipal issues generate as much debate in Ottawa as public transit.
Since the Confederation Line opened in 2019, Ottawa’s light-rail system has experienced technical problems, service interruptions and delays that have significantly affected public confidence. At the same time, the city is in the middle of one of the largest expansions of its transit network in its history.
That creates an unusual situation heading toward Ottawa’s 2026 municipal election.
The next mayor will not be deciding whether Ottawa should build an LRT system. Much of that system already exists or is under construction. The more relevant questions are what happens next, how reliable the expanded network will be, how buses connect residents to it, and how Ottawa pays for future transit improvements.
For voters comparing mayoral candidates, understanding that distinction matters.
Where Ottawa’s O-Train stands today
Ottawa’s rail network is no longer just the original Confederation Line between Tunney’s Pasture and Blair. Lines 2 and 4 opened in January 2025, extending rail service south to Limebank and providing a connection between South Keys and Ottawa International Airport. The next major expansion is the Line 1 East Extension. The extension continues the Confederation Line east from Blair through Orléans to Trim Road. The project achieved substantial completion in March 2026, an important milestone indicating that the new infrastructure has been delivered and can be safely operated and maintained. Substantial completion, however, is not the same as opening to passengers.
Before passenger service begins, the system must proceed through trial running and final operational preparations. The timing of trial running has also been connected to the availability of sufficient Line 1 vehicles. In the west, construction continues on an even larger expansion. The western project will extend Line 1 from Tunney’s Pasture to Algonquin Station and introduce Line 3 service to Moodie. Current City projections anticipate handover of the western extension in 2027, followed by preparations for passenger service. Once the Stage 2 expansions are operating, Ottawa will have a substantially larger rail network than the one residents have become familiar with since 2019.
Reliability remains the central question
Expanding the network is only part of Ottawa’s transit challenge. Reliability remains one of the most important measures by which residents are likely to judge the system. Line 1 has experienced a series of operational and mechanical issues since opening. More recently, OC Transpo, Rideau Transit Group and Alstom have continued technical work involving the trains’ cartridge bearing assemblies and measures intended to safely restore full operating capacity.
For passengers, however, the technical details ultimately lead to a much simpler question:
Can I depend on transit to get where I need to go when I need to be there?
That applies to buses as much as trains. An LRT system can operate reliably while still providing a poor overall experience if the bus that takes a passenger to the station is late, cancelled or infrequent. Conversely, improvements to bus reliability can significantly improve transit for residents who may rarely use the O-Train. Ottawa’s transit debate therefore extends well beyond the performance of Line 1.
Ridership is recovering, but travel patterns have changed
Ottawa is also operating its transit system in a different environment from the one in which the original LRT network was planned. Hybrid and remote work have changed commuting patterns, particularly for a city with a large federal public-service workforce. OC Transpo reported 70.6 million O-Train and bus trips in 2025, an increase of 3.9 per cent from the previous year. Late in 2025, monthly ridership had reached approximately 81 per cent of comparable 2019 levels. That recovery matters financially.
Transit systems have substantial fixed costs. Trains, stations, buses, maintenance facilities and operators are required whether every vehicle is full or not. Lower ridership can therefore create pressure on fare revenue while the cost of operating the network continues. This leaves Ottawa with a difficult balancing act: improving service can help attract riders, but providing better service costs money — particularly when ridership and fare revenue have not fully returned to pre-pandemic patterns.
The bus network may matter as much as the train
Ottawa’s future transit system is increasingly based on a rail spine supported by connecting bus routes. That means the success of Stage 2 will depend partly on what happens away from the tracks. When rail expands east and west, many bus routes will change. Some passengers who currently travel long distances by bus will instead connect to an O-Train station and complete part of their journey by rail.
In theory, this can make the network more efficient by using high-capacity trains for longer trips while buses provide local connections.But transfers also introduce another potential point of failure. If trains are frequent but connecting buses are unreliable, the overall trip can still be frustrating. Frequency, missed connections, neighbourhood coverage and travel time therefore remain important issues even for residents living near the expanded rail network. The next phase of Ottawa transit policy cannot be evaluated simply by counting kilometres of new track.
What comes after Stage 2?
Ottawa’s long-term transportation plans envision the rapid-transit network extending farther into the city’s growing suburbs. Planning has been undertaken for future LRT extensions toward both Kanata/Stittsville and Barrhaven. The proposed Kanata extension would continue west from Moodie, while planning for Barrhaven has examined extending rail south from the future Algonquin terminus toward Barrhaven Town Centre. These projects are often described as part of a future Stage 3 expansion. But planned is not the same as funded.
Large transit projects require enormous capital investments and typically depend on financial participation from the municipal, provincial and federal governments. Timing, scope and affordability can therefore change significantly before construction begins. Ottawa also has other transportation priorities competing for funding.
The City’s Transportation Master Plan considers rapid transit, transit-priority corridors, roads, cycling infrastructure and pedestrian improvements as parts of the broader transportation network. The next mayor and council will have to decide where future transit projects fit among those priorities.
What can Ottawa’s next mayor actually change?
Municipal election campaigns sometimes make complex infrastructure projects sound simpler than they are. A mayor cannot personally redesign a rail vehicle, renegotiate every transit contract or unilaterally build a new LRT extension. The mayor does, however, have considerable influence. The mayor and council approve budgets. They establish priorities. They can demand reporting and accountability from City staff and transit partners. They can advocate for provincial and federal funding. And they can influence whether Ottawa’s next major transportation investment is rail, bus rapid transit, transit-priority infrastructure or something else. Perhaps most importantly, the next mayor will help determine what Ottawa considers a successful public-transit system.
Questions worth asking Ottawa’s mayoral candidates
Rather than asking candidates simply whether they “support public transit,” voters may get more useful answers by asking more specific questions:
- What should Ottawa’s highest transit priority be during the next term of council?
- Should the city prioritize improving reliability and frequency before committing to another major LRT expansion?
- Do you support extending LRT to Kanata and Barrhaven, and under what financial conditions?
- How should Ottawa respond if transit ridership remains below pre-pandemic commuting levels?
- Should more money be directed toward buses and transit-priority corridors instead of additional rail?
- What level of transit fare increase is reasonable?
- How should the City measure whether OC Transpo is actually improving?
- What should the City do differently when planning and overseeing future major transit projects?
These questions reveal considerably more about a candidate’s priorities than a general promise to “fix transit.”
The decision facing Ottawa
Ottawa has already invested heavily in a rail-based transit network. The question facing the next mayor is therefore not whether to start over. It is how to make the system Ottawa has built work reliably, how to integrate buses and rail into a useful city-wide network, how quickly to expand it, and how much residents are prepared to pay for the next stage. By the time Ottawa elects its next mayor, parts of the transit system that have been construction projects for years will be much closer to becoming everyday infrastructure. The debate will increasingly shift from building the LRT to what Ottawa should do with it next. And that is where the differences between mayoral candidates may become much more important.
Compare Ottawa is an independent, non-partisan project. This article is intended to provide background and context for voters and does not endorse any candidate or transit policy.
