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The Corridor That Could Stop the Fire Truck
How ALTO’s southern corridor threatens fire suppression access, wildfire response, and emergency coverage across rural Eastern Ontario.
ALTO HSR’s public consultation closes April 24, 2026 — before any road crossing plan has been published. The decision about which rural concession roads will get bridges, and which will be permanently closed, will not be made until at least late 2026.
No fire suppression access analysis, no tanker routing study, and no wildfire corridor risk assessment has been conducted or published by ALTO. Fire chiefs, the Ontario Association of Fire Chiefs, and the Office of the Fire Marshal have not been publicly reported as having been consulted on crossing requirements.
A high-speed rail corridor is a permanent fence across the landscape. Nothing crosses it except at designated bridges or underpasses — and ALTO’s own VP of Engineering confirmed on record that the goal is to build as few overpasses as possible. On a rural concession road grid where roads are spaced 2 km apart, consolidating crossings to every 4–8 km means fire trucks responding to a call on the other side of the corridor must travel kilometres out of their way on every single response.
In the summer of 2025, Eastern Ontario experienced its worst fire season in living memory. South Frontenac Fire and Rescue — a township that sits directly inside the ALTO southern corridor study area — responded to 42 wildfires in a single season, with fire bans in effect from July to October.
Eastern Ontario’s fire season — and what the corridor adds to it
The worst season in memory — in the exact communities the corridor would bisect
The summer of 2025 was not a distant wildfire story from British Columbia or Alberta. It happened here, in the townships of the ALTO southern corridor study area. South Frontenac, Stone Mills, Loyalist, and Rideau Lakes — the municipalities that have formally opposed the southern corridor — experienced extreme drought conditions, record fire response volumes, and mutual aid activations that stretched regional resources to their limit.
Agriculture Canada recorded that Eastern Ontario received less than 40% of its normal July rainfall. The Kingston area saw just 18.7 mm in July, against a 25-year average of 72.2 mm. By late July the regional fire indices were at extreme levels. By August, national wildfire resources were at full capacity.
“All our fire indices are in the extreme, so we’re at a very high risk of fire, and in the last two weeks we’ve had 14 wildfires we’ve attended.”
South Frontenac declared a Level One Fire Ban on July 23, escalated to a Total Fire Ban on August 1, and maintained some level of restriction until October 31 — an extraordinary three-month fire emergency. By the season’s end, South Frontenac Fire and Rescue had responded to 42 wildfires across grass, crops, forests, and islands, plus 20 burn complaints.
“Across Canada, we are at a level 5, meaning all resources are in use and we are at our limit to deal with wildfires. Local fire departments will be initiating our mutual aid systems, so in the event of a fire, multiple departments will respond to send water tankers and spread the burden of water resources.”
This is not an anomaly to be discounted. Environment and Climate Change Canada identified wildfires, drought, and extreme weather among Canada’s top stories of 2025, and noted that four of the past five years saw well above-average area burned nationally. The 2025 conditions represent the operational baseline for the infrastructure being designed today.
The August 10 hay baler fire: a real-world stress test. On August 10, 2025, South Frontenac Fire and Rescue responded to a 20-acre vegetation fire on Perth Rd caused by a seized bearing on a hay baler during harvest operations. The fire required road closures and mutual aid from Kingston Fire & Rescue, Stone Mills Township, and Loyalist Township. If the HSR corridor had already crossed those access roads, every mutual aid department arriving from the far side would have faced a mandatory detour. The incident illustrates exactly how agricultural fires during dry conditions depend on unrestricted grid access and rapid multi-department assembly.
What a fenced HSR right-of-way does to rural fire coverage
Rural fire departments in Eastern Ontario operate from a small number of stations spread across large geographic areas. Their coverage model is built around the concession road grid — roads spaced approximately 2 km apart — allowing rapid response from any direction. A fenced, grade-separated HSR corridor cuts across that grid permanently. Where a crossing is closed rather than replaced with a bridge, the next crossing may be 4–8 km away. For fire apparatus traveling at rural road speeds of 70–80 km/h, a 5 km forced detour adds 3.75 to 4.5 minutes to every response. That delay applies to every call — not occasionally, but on every dispatch, for as long as the infrastructure exists.
Apparatus response time. A station on one side of the corridor responding to a call on the other side must use a designated crossing regardless of incident urgency, weather, or time of day. At multi-apparatus incidents — structure fires, barn fires, wildfires approaching buildings — every additional mutual aid unit from the far side faces the same detour. For a barn fire, where initial water application in the first 10–15 minutes determines whether the structure is saved, those minutes matter.
Multi-directional approach. Structure fire tactics depend on approaching a scene from multiple directions — to position pumpers for water supply, access ventilation points, establish suppression lines, and maintain independent egress routes. A linear barrier that blocks approach from one entire side removes this tactical flexibility. For farm properties that straddle the corridor, or sit immediately adjacent to it, one entire access side becomes unreachable by road.
Tanker shuttles: the water supply problem. Most rural properties along the ALTO corridor have no municipal water supply or hydrants. Fire suppression depends entirely on tanker shuttle. Ontario’s Superior Tanker Shuttle Accreditation standard requires departments to demonstrate uninterrupted flow of over 400 gallons per minute at five minutes. A 4–8 km detour extends the relay cycle, reduces fill frequency, and lowers effective gallons-per-minute at the scene. Limited crossings also concentrate all tanker traffic through the same points simultaneously — creating congestion exactly when multiple departments are sending water at once.
What ALTO confirmed on record about overpasses. At Kingston City Council on February 17, 2026, ALTO’s VP of Systems Engineering David Cook confirmed the organization’s intent: “So try and limit the number of overpasses that we’ll need to get created for sure.” The organization responsible for building the crossings has stated its goal is to minimize them. No crossing criteria have been published. No crossings on established fire response routes have been protected. These decisions will not be finalized until at least late 2026 — after the public consultation closes.
The corridor isn’t just a barrier to fighting fires — it may help start them
A fenced HSR right-of-way changes the fire landscape in two distinct ways: it limits how fire crews can respond, and it introduces new ignition risks. Both problems worsen in the drought conditions documented in 2025 — and conditions are projected to worsen further over the corridor’s operational life.
The corridor blocks wildfire suppression tactics. A wildfire driven by wind cannot be managed from one side only. Fire crews establish suppression lines that require working on both sides of the advancing fire. A fenced corridor eliminates this option between grade separations. A fire burning north of the corridor and driven south cannot be attacked from the south until crews reach a designated crossing. During the 2025 season, with 14 wildfires in two weeks in South Frontenac alone, that kind of delay would have had real consequences.
The right-of-way as a fire pathway. A 60-metre cleared strip of managed vegetation running east-west through the landscape can function as a fire pathway in dry conditions. Low roadside grasses, dried vegetation along the margin, and the absence of tree canopy humidity create a continuous dry fuel strip. A fire ignited along the right-of-way can travel along the margin before burning into adjacent properties on both sides.
The rail corridor as an ignition source. Rail operations generate documented ignition risks. Friction sparks from braking and acceleration at 300 km/h can project beyond the right-of-way in dry and windy conditions. The Ontario Fire Marshal has documented railway sparks as a recurring cause of trackside vegetation fires. HSR electrification adds a second risk: overhead catenary arcing, particularly during dry lightning storms or damaged infrastructure. International experience with electrified HSR corridors shows trackside fires as a recurring challenge in dry conditions.
Evacuation competes with suppression at the same crossings. In a fast-moving wildfire scenario, residents on one side of the corridor attempting to evacuate would use the same limited crossing points as fire apparatus moving toward the fire. Emergency apparatus and civilian evacuation traffic would converge at the same underpasses or overbridges, reducing relay efficiency, creating congestion, and potentially blocking access at exactly the moment when unrestricted movement is most critical.
A 100-year HSR corridor installed in a landscape that experienced extreme drought and 42 wildfires in a single season — with conditions projected to worsen — is not a passive infrastructure project. It is a permanent change to the fire risk landscape.
This infrastructure will operate for 100 years. The fire risk will not stay at 2026 levels.
The crossing decisions made during route selection will be effectively permanent once construction begins. They will govern fire suppression access not just in 2030, but in 2060 and 2100. Ontario’s own climate projections show that the fire conditions of 2025 are an early data point on a trajectory that will worsen significantly over that time.
Ontario is projected to warm an additional 2.3°C by 2050 and up to 6.3°C by 2100 under the higher emissions scenario, with more frequent hot, dry spells and extended summer drought. The frequency of wildfires and the length of the fire season are both projected to increase. World Weather Attribution found that extreme fire weather is already at least twice as likely due to human-induced climate change.
| Period | Fire weather projection | Ontario temp change | HSR status |
|---|---|---|---|
| 2026–2035 (construction) | Conditions comparable to or worse than 2025; fire season already lengthening | +0.5–1.0°C ongoing | Active construction; road disruption; elevated ignition risk from vegetation clearing |
| 2036–2050 (early operations) | Extreme fire weather 2× more likely than pre-industrial baseline; fire season 3+ weeks longer | +2.3°C projected mean | Infrastructure in full operation; crossing decisions locked in and effectively irreversible |
| 2050–2100 (mid-to-late operations) | Extreme fires +30–50% more frequent globally; fire weather days up 26–200% | +3.0–6.3°C depending on emissions | Corridor operational for decades; fire risk landscape materially worse than at construction |
Fire researcher Mike Flannigan’s assessment (Climate Atlas of Canada): Climate change is predicted to worsen all three ingredients of destructive wildfires — fuel, ignition, and weather — across most of Canada. In his words: “in a word, the future is smoky.” The UN Environment Programme projects a global increase in extreme wildfires of up to 14% by 2030, 30% by 2050, and 50% by 2100. This is the environment in which a 100-year rail corridor will operate.
The build period introduces additional fire risks — for years before the line opens
Vegetation clearing creates a fuel landscape. Clearing the full right-of-way produces dried, cut material typically left on-site or piled for disposal. In drought conditions, this is a documented ignition risk. Heavy construction equipment — diesel engines, exhaust systems, grinding, welding — presents comparable or greater ignition potential than the farm machinery involved in documented 2025 incidents.
Road disruption compounds existing stress. During construction, road closures, bridge construction, and concession road re-routing will intermittently alter fire apparatus response routes — changing frequently and potentially without advance notice to local departments. This disruption is compounding: it reduces already-limited crossing infrastructure during the same period it increases the fire risk landscape from clearing. Construction contracts must guarantee fire apparatus access at all active work zones at all times.
Five things that should exist before this consultation closes
Communities are being asked to evaluate a project whose most direct fire safety impacts cannot be assessed because the design decisions that determine them have not been made — or if they have, they have not been published.
A road crossing assessment for fire apparatus routes. How many crossings will be closed? Which will get bridges? What criteria determine the difference? No crossing plan has been published, and ALTO’s VP of Engineering confirmed crossing decisions won’t be final until at least late 2026.
A fire suppression access plan. How will rural volunteer fire departments maintain coverage on both sides of the corridor? No engagement with the Ontario Association of Fire Chiefs or the Office of the Fire Marshal has been publicly reported.
A tanker shuttle routing analysis. In areas without hydrants — the majority of rural properties along the corridor — water supply depends on tanker relays. How will road severance affect relay cycle times and effective flow rates?
A wildfire corridor risk assessment. The corridor right-of-way as a fire pathway, as an ignition source, and as a barrier to suppression tactics has not been analyzed in any published ALTO document.
A construction-phase fire safety plan. Vegetation clearing, equipment ignition risks, and road disruption during the multi-decade build period present compound fire risks. No protocol for managing these has been published or required by contract.
Canada has no equivalent to the UK’s HS2 petition mechanism, where communities could challenge individual crossing decisions before Parliament. The consultation window is the only formal opportunity — and it closes before any crossing plan exists.
Five demands — grounded in standard fire safety and infrastructure practice
Require a fire suppression access analysis before the consultation closes
ALTO must publish a preliminary assessment identifying the number and location of proposed grade-separated crossings on each corridor option, which crossings are on established fire apparatus response routes, and what criteria will be used to determine crossing spacing. Without this, communities cannot assess the project’s fire safety impacts.
Formally engage fire chiefs and the Office of the Fire Marshal in corridor design
The Ontario Association of Fire Chiefs, local fire departments in South Frontenac, Stone Mills, Loyalist, Rideau Lakes, and other affected townships, and the Office of the Fire Marshal must be formally engaged. Fire suppression access requirements should be non-negotiable infrastructure constraints — not value-engineering variables — and crossing spacing should be determined by fire response modelling, not cost minimization.
Apply climate-adjusted fire risk standards to crossing design
Crossing infrastructure decisions must be assessed against projected fire conditions for 2050 and 2100 — not current baselines. A corridor designed for 2026 fire risk may be dangerously inadequate by mid-century. The Ontario government’s own climate projections for wildfire frequency and fire season length must be explicitly referenced in crossing criteria.
Require a construction-phase fire safety plan
ALTO and the Cadence consortium must develop and maintain, in partnership with local fire departments and Ontario Forest Fire Management, a construction-phase fire safety plan covering vegetation clearing protocols, equipment ignition risk management, maintenance of fire apparatus access through all work zones at all times, and advance communication of access changes to local services.
Commission an independent wildfire corridor risk assessment as part of the federal Impact Assessment
An independent wildfire corridor risk assessment must be a mandatory component of the federal Impact Assessment. It should model wildfire scenarios under current and projected climate conditions, evaluate crossing adequacy for fire suppression access, and assess the ignition risk profile of the right-of-way.
Sources
All sources publicly available. In-text citations use bracketed numerals in the full research document.
- Drought/rainfall data: Agriculture Canada July 2025; Kingston July average 72.2 mm, actual 18.7 mm. CFRC News, “Failing fields, dry wells: Eastern Ontario’s summer of drought,” August 2025. cfrc.ca
- Canada 2025 wildfire season: ~8,815,000 ha burned. Environment and Climate Change Canada, “Canada’s top 10 weather stories of 2025.” canada.ca
- South Frontenac Fire and Rescue 2025 season. southfrontenac.net; CBC News, August 12, 2025. cbc.ca
- Ontario climate projections: +2.3°C by 2050, +6.3°C by 2100 (RCP8.5). davey.com
- World Weather Attribution, “Climate change more than doubled the likelihood of extreme fire weather conditions in Eastern Canada.” worldweatherattribution.org
- UN Environment Programme and GRID-Arendal (2022). Spreading like Wildfire: The Rising Threat of Extraordinary Landscape Fires. unep.org
- The Pointer, “Canada’s 2025 wildfire season a wake-up call,” August 15, 2025. thepointer.com
- South Frontenac hay baler fire, August 10, 2025 — 20-acre vegetation fire; mutual aid from Kingston, Stone Mills, Loyalist. southfrontenac.net
- David Cook, VP Systems Engineering, ALTO. Kingston City Council, February 17, 2026: confirmed goal to “try and limit the number of overpasses that we’ll need to get created.” Source: City of Kingston closed-captioning transcript.
- Captain Quincy Emmons, Stone Mills Township Fire and Rescue / FireRein CEO. Level 5 national resource status. CFRC News, August 2025. cfrc.ca
- HS2 crossing decisions: A4010 Risborough Road permanently stopped up (HS2 Ltd, February 2024); Budworth Road petition (Pickmere Parish Council, July 2023).
- Climate Atlas of Canada, “Forest Fires and Climate Change.” Quotes Mike Flannigan. climateatlas.ca
- Ouranos, “Forest fires — Projected changes.” Fire season up to 3–4 weeks longer. ouranos.ca
- Ontario Association of Fire Chiefs: 437 fire departments; 18,281 volunteer firefighters. oafc.on.ca
- NFPA 1142, Standard on Water Supplies for Suburban and Rural Fire Fighting. Ontario Superior Tanker Shuttle Accreditation program.
- Transport Canada, TRAN Committee Appearance Binder, March 7, 2023. Confirms over 1,000 crossings requiring complete grade separation. tc.canada.ca