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St-Laurent Blvd in 60 Years: Beyond the Strip Malls (If We Fix What's Underneath)
A long-range vision for the corridor — and the infrastructure work that has to happen before any of it is real.
Drive St-Laurent Boulevard today and you're driving through a landscape built for cars in the 1970s: strip malls, surface parking lots the size of small parks, and big-box retail set back behind acres of asphalt. It works, in the narrow sense that things are for sale and people can drive to buy them. But it's not a neighbourhood. It's not a main street. And it's not what the City has already told us, on paper, that it wants this corridor to become.
Sixty years is a long horizon for municipal politics, where most conversations don't survive past the next budget cycle. But zoning decisions being made today will still be shaping this corridor in 2086. So it's worth being explicit about what the City has already committed to, what that commitment actually requires, and where the gap between the two currently sits.
What TOD Actually Means
The City's own planning framework for St-Laurent is built around a concept called Transit-Oriented Development, or TOD. In plain terms: TOD means concentrating dense, mixed-use development — housing, retail, offices — within easy walking distance of a transit station, with reduced parking requirements and taller buildings permitted close to the station, tapering off as you move further away. The logic is straightforward. Instead of spreading low-density, car-dependent growth outward across the city, you concentrate it where transit capacity already exists, so more people can live near frequent transit without needing a car for every trip.
St-Laurent has already been zoned this way. The City has applied TOD-style upzoning around the LRT station, which is exactly what would eventually replace the strip malls and surface lots with the mid-rise, mixed-use, walkable corridor this piece is imagining. On paper, the long-range vision already has a name and a framework. The question is whether the rest of the picture — the infrastructure a TOD neighbourhood actually depends on — is being built out at the same pace as the zoning permission.
Precondition One: The Transit Spine Has to Actually Work
TOD zoning is a bet that people will trade car trips for transit trips if the station is close enough and reliable enough. That bet only pays off if the station is actually functional. Right now, the St-Laurent LRT station sits under a tunnel with a documented structural problem — water-driven concrete delamination and corroded ceiling framing over the platform, flagged as an urgent inspection finding years ago, with a full repair still years out according to the City's own tendering timeline.
You can't build a 60-year vision of transit-oriented density around a station whose transit reliability is currently an open question. Tunnel accountability isn't a separate issue from the long-range vision — it's the precondition for it. A corridor's worth of future residents are going to be asked to give up car dependency in exchange for a transit connection that needs to actually be there.
Precondition Two: Servicing Has to Lead, Not Follow
More condos and apartments mean more people, and more people mean more demand on water, wastewater, and hydro capacity — the unglamorous infrastructure that never makes it into a rendering of a new development but determines whether that development actually works. This is where St-Laurent's future runs into a pattern I've already documented elsewhere in Ward 13: upzoning that outruns servicing capacity.
- Combined sewers: parts of Ward 13 still run on older combined sewer infrastructure that struggles under heavy rain events, as the Canada Day 2026 flooding made clear. Densifying a corridor without confirming separated, right-sized servicing risks repeating that problem at a larger scale.
- The City's own debt load: Ottawa approved roughly $1.7 billion in new water/wastewater debt in 2025. Whether that's sized for the kind of growth a fully realized St-Laurent TOD corridor would generate — or whether it's catching up on backlog with no room for new demand — is a fair question that deserves a direct answer from the City, not an assumption.
- Capital planning transparency: does the City have an actual servicing capacity plan mapped against St-Laurent's density targets, with funding attached? Or is the zoning aspirational, with servicing left to be figured out project-by-project as each new building applies for a permit?
A real long-range vision says the quiet part out loud: density without funded servicing isn't a vision, it's a deferred bill.
Precondition Three: Public Space Has to Scale With Population
Density conversations tend to focus on housing units and forget the public realm that makes density livable — parks, courts, gathering space. Ward 13 already has a preview of what happens when that gets treated as an afterthought: recreation space shrinking even as demand grows, whether that's court capacity or green space. A corridor that goes from strip malls to a population centre needs public space planned in from the start, not squeezed in after the towers are approved.
What the Vision Actually Looks Like, If the Preconditions Are Met
Assume the transit spine is fixed and reliable, the servicing capacity is funded ahead of the density curve, and public space is planned proportionally. What could St-Laurent actually become?
- Surface parking lots redeveloped into mixed-use mid-rise buildings — ground-floor retail, housing above, oriented to the street rather than set back behind asphalt.
- A walkable main street character replacing the current drive-between-destinations layout, with continuous street frontage instead of gaps of parking.
- Last-mile connectivity — potentially including the kind of automated shuttle service already piloted in Kanata North — filling the gap between the LRT station and destinations too far to comfortably walk, reducing the case for car ownership even for residents living slightly off the immediate station footprint.
- A corridor that pays for its own growth, with servicing costs built into the development approvals rather than discovered later as an infrastructure funding gap.
None of this is exotic. It's the standard outcome TOD planning is designed to produce, in cities that pair the zoning with the infrastructure discipline to back it up. The failure mode isn't a lack of vision — the City already has one, on paper. The failure mode is approving the zoning and treating the infrastructure as someone else's problem, on someone else's timeline.
The Centrepiece: A Station Worth Waiting In
If St-Laurent is going to be treated as the leading edge of what TOD-oriented growth looks like in this city, the station itself has to lead by example — not just structurally sound, but built around the people who actually use it every day.
The tunnel rehabilitation and the 417 overpass work I have proposed represent a rare opportunity: a full station rebuild is coming whether we shape it or not. That's the moment to go further than a repair and build a genuinely new indoor, heated, fully serviced transit station integrated into an LRT's 417 overpass structure — a station that gets commuters out of the wind, the rain, and the cold entirely rather than leaving them standing exposed on an open platform waiting for a bus or train.
This isn't a cosmetic upgrade. It's a statement about what riders are owed. Ottawa winters are long and unforgiving, and a transit system that wants to compete with car ownership has to stop treating weather exposure as an acceptable cost of taking the bus or train. An enclosed, heated station with real amenities — seating, washrooms, weather protection from the moment you arrive to the moment you board — is the baseline dignity a rider should expect, not a luxury add-on.
- Built into the rebuild, not bolted on after: since the tunnel repair and overpass work are already committed, the marginal cost of designing the replacement station properly — indoor, heated, fully serviced — is far lower now than retrofitting later.
- A model, not a one-off: if St-Laurent gets this right, it becomes the reference design for every other station rebuild the City undertakes over the next several decades, rather than each station reinventing weather protection from scratch.
- Consistent with the corridor's own vision: a TOD corridor asking residents to give up car trips for transit needs to make transit itself the more dignified option, not just the more convenient one on a good-weather day.
The Ask
Before St-Laurent's TOD zoning goes any further, residents deserve clear answers to three questions:
- Is there a funded servicing capacity plan — water, wastewater, hydro — mapped against the corridor's density targets, or is servicing being handled reactively as buildings get approved?
- What is the confirmed, funded timeline for the St-Laurent tunnel repair, and what is the interim plan for transit reliability in the meantime?
- Is public space — parks, recreation, gathering areas — being planned proportionally to projected population growth, or added after the fact if space allows?
- Will the station rebuild tied to the tunnel repair and 417 overpass work include a fully enclosed, heated, serviced facility — or will the City settle for restoring the current open-air standard and leave rider dignity for a future budget cycle?
Sixty years from now, St-Laurent can be a real neighbourhood instead of a corridor of strip malls people drive through. But that outcome depends on decisions being made correctly now — not just the zoning, but the unglamorous infrastructure work underneath it that nobody notices until it fails.
This time around, inform yourselves, vote differently, vote wisely. Vote for Peter Karwacki for Rideau Rockcliffe.
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