Something changes in March. Snow retreats, the air softens, and bicycles return to Ottawa streets almost overnight. Commuters pull bikes out of garages. Teenagers on March Break head back onto the road. Recreational riders set out for the first real ride of the season.
It can also be one of the riskiest times of year for cyclists.
Roads are still winter-worn. Sand and gravel linger at the edges. Freeze-thaw cycles leave fresh potholes and uneven pavement behind. Drivers, meanwhile, may not have shared the road with cyclists for months.
When road conditions are poor and road users are readjusting at the same time, a bicycle accident becomes more likely. Ontario’s cycling guidance specifically warns about potholes, loose gravel, uneven pavement, and other surface hazards, and it confirms that cyclists may use any part of a lane when needed for safety.
This article explains why early-season cycling crashes happen, what Ontario law says about common collision patterns, what to do after a crash, and how MG Law can help if you or someone you love has been injured.
Why Do Bicycle Accidents Happen So Often in March and Early Spring in Ontario?
The simplest reason is volume. As soon as the weather improves, the number of cyclists on Ontario roads rises sharply. Many drivers are still in winter-driving mode and may not yet be expecting bicycles in traffic. That gap in awareness matters.
Road conditions make the problem worse. Winter often leaves behind damaged pavement, loose debris, potholes, and rough shoulders. Hazards that are minor for a motor vehicle can be serious for a cyclist. A pothole, ridge, or patch of gravel can cause a rider to lose control in seconds. Ontario’s bicycle safety guidance specifically identifies potholes, surface heaving, loose aggregate, and uneven pavement as cycling hazards.
Why Road Conditions Matter Legally
If a road defect contributed to the bicycle accident, the condition of the road at the time of the incident may become important evidence.
In spring, those defects may be newly exposed, recently formed, or not yet repaired. That can affect how the incident is investigated, what evidence should be preserved, and whether a municipality or other road authority may need to be considered.
Road Laws for Cyclists: Their Rights and Responsibilities in Ontario
In Ontario, bicycles are generally treated as vehicles, which means cyclists usually have the same core rights and responsibilities on public roads as drivers of other vehicles.
Cyclists must obey traffic signals and signs, ride in the direction of traffic, and use required lights and reflectors when riding at night. Ontario also requires cyclists under 18 to wear an approved bicycle helmet, with additional parental responsibility provisions for riders under 16.
Just as important is what the road laws for cyclists do not say. A cyclist is not automatically at fault simply because they were riding on the road, using a traffic lane, or taking more of the lane for safety. Ontario guidance states that cyclists may use any part of the lane for safety reasons, including to avoid obstacles or where the lane is too narrow to share safely with a passing motor vehicle.
For families with younger riders, spring is a good time for a quick equipment and safety check. Make sure the helmet fits properly, the bike is in working order, and the rider is visible in low light and grey weather.
What Is the Minimum Distance When Passing a Cyclist?
Ontario law requires a driver overtaking a cyclist to leave at least one metre of space, as nearly as may be practicable, and to maintain that distance until safely past the bicycle.
The Act also defines that one metre as the space between the extreme right side of the motor vehicle and the extreme left side of the bicycle, including projections and attachments.
In practical terms, this means a driver should not squeeze past a cyclist when there is not enough room. On a narrow road, at a pinch point, or beside parked cars, the safe response is usually to slow down and wait until there is space to pass properly.
If a vehicle struck you during a pass or forced you off the road, the passing distance may become a central issue in your claim.
Evidence that can help includes:
- helmet or bike camera footage
- witness statements
- photographs of the lane width and road layout
- the position of parked cars, barriers, or debris
- damage to the bicycle consistent with a side impact
If you do not have camera footage, document the exact location and direction of travel as soon as possible.
What Kinds of Bike Accidents Commonly Spike in Spring?
Four bike accident patterns often become more common in spring: close passes, dooring, turning and merge conflicts, and pothole or road defect crashes.
1. Close Pass and Sideswipe Collisions
These crashes often begin the same way: a driver tries to pass without enough room, clips the cyclist or bicycle, or forces the cyclist onto a rough shoulder or damaged edge of the road.
Even without direct contact, a dangerously close pass can cause a rider to swerve and crash.
For these cases, the most useful evidence is usually the precise location, road width, witness evidence, video, and bicycle damage.
2. Dooring
Dooring happens when a driver or passenger opens a vehicle door into the path of an approaching cyclist.
Ontario’s Highway Traffic Act requires a person opening a motor vehicle door on a highway to first take due precautions to ensure the act will not interfere with or endanger another person or vehicle. Ottawa’s cycling safety material also specifically warns drivers to check for cyclists before opening a door.
A useful prevention technique is the Dutch Reach: opening the door with the far hand, which naturally causes the person to turn and look back.
If a cyclist has been doored, useful evidence includes which door opened, the vehicle involved, photographs of the scene, witness information, and photographs of injuries and bicycle damage.
3. Right-Hook, Left-Cross, and Merge Conflicts
Many serious cyclist collisions happen at or near intersections.
Common patterns include a driver turning right across a cyclist’s path, a driver turning left across an oncoming cyclist travelling straight, or a driver merging into the cyclist’s lane without checking properly.
In these cases, details matter. The exact intersection, direction of travel, traffic controls, lane markings, and final rest positions can all help clarify how the collision occurred.
4. Pothole and Road Defect Crashes
Spring potholes can be dangerous for any road user, but they are especially dangerous for cyclists.
A front wheel dropping into a pothole or striking broken pavement can send a rider down immediately.
If a pothole or road defect was involved, report it to the City of Ottawa and keep the confirmation. But do not assume a 3-1-1 report satisfies the legal notice requirements for a municipal claim. Take photographs that show the defect clearly and place it in context using landmarks, intersections, or GPS data.
In Ottawa, potholes can be reported online through the City or by calling 3-1-1. The City’s road maintenance pages direct residents to report potholes that way.
If you believe a road defect contributed to your injuries, preserve evidence immediately and get legal advice quickly. Claims involving road defects can trigger strict notice requirements. In many municipal highway-defect cases, written notice must be served within 10 days, subject to limited exceptions.
What Evidence Matters Most After a Bike Accident?
The best evidence depends on how the crash happened, but in almost every case the strongest proof is gathered immediately.
| Crash type | Most useful evidence |
| Close pass / sideswipe | Camera footage, lane width, road layout, witness statements, bicycle damage |
| Dooring | Which door opened, vehicle details, photos of the scene, witness information, injury and bike photos |
| Right-hook / left-cross / merge conflict | Intersection layout, direction of travel, traffic controls, lane markings, final rest positions |
| Pothole / road defect | Clear defect photos, landmarks or GPS, report confirmation, road condition evidence, notice timing |
Even when liability seems obvious, evidence can disappear quickly. Roads get repaired, vehicles move, and witnesses become harder to locate.
What Should You Do Immediately After a Bicycle Crash?
After a bicycle crash, prioritize medical care, identify the people involved, document the scene, and preserve evidence before it disappears.
- Get medical attention first.
If you may have suffered a head injury, concussion, fracture, or internal injury, get assessed as soon as possible. Symptoms are not always obvious right away.
- Get the driver’s information.
Try to collect the driver’s name, licence plate, vehicle make and model, insurer, and contact information.
- Get witness contact information.
Do this before witnesses leave. Independent witness evidence can be extremely important later.
- Photograph everything you can.
Capture the road surface, your bicycle, your clothing, visible injuries, signage, lighting, weather conditions, and the position of any vehicles.
- Record what happened while it is still fresh.
A voice note can help preserve the sequence of events, direction of travel, and anything the driver or witnesses said.
- Report the collision when appropriate.
Report the collision to police if there is injury, significant property damage, or an uncooperative driver.
- Report potholes or road defects separately if relevant.
If a pothole or road defect was involved, report it to the City of Ottawa and keep the confirmation.
- Preserve the physical evidence.
Do not repair the bicycle, discard the helmet, or wash the clothing until everything has been documented thoroughly.
In many cycling cases, the strongest evidence is collected in the first hour and the first day.
How Can MG Law Help After a Cycling Crash?
The legal route depends on how the crash happened.
If a motor vehicle was involved, an injured cyclist may have access to no-fault accident benefits and may also have a tort claim against the at-fault driver, depending on the facts of the case. If the incident involved dooring, a close pass, a turning conflict, or another vehicle-related event, those insurance and liability issues should be assessed early.
If the crash was caused by a road defect and no motor vehicle was involved, the potential claim may be against the municipality or other road authority responsible for maintenance. Those cases are highly evidence-driven and time-sensitive.
Early legal advice matters because evidence disappears quickly. Roads are repaired. Vehicles are moved. Witnesses become harder to find. The version of events recorded first often carries weight later with insurers and defence counsel.
At MG Law, we help injured Ontarians assess what happened, identify the possible sources of recovery, preserve the right evidence, and move forward with a clear understanding of their options.
When Should You Talk to an Ottawa Bicycle Accident Lawyer?
You should consider speaking with a bicycle accident lawyer as soon as possible after a serious bicycle crash, especially if a motor vehicle, dooring incident, intersection conflict, or road defect was involved.
Spring cycling should not require a legal education. But in March and April, predictable hazards return at the same time every year: close passes, dooring incidents, turning conflicts, and crashes caused by winter-damaged roads.
If you or someone you care about has been injured in a bicycle accident in Ottawa or elsewhere in Ontario, speaking with a lawyer early can help you protect both your health and your legal options.
References
- Ontario MTO Driver’s Handbook: Sharing the Road: ontario.ca
- Ontario Bicycle Safety: ontario.ca/page/bicycle-safety
- MTO Young Cyclist Guide (2021): files.ontario.ca (PDF)
- City of Ottawa: Report a Pothole: ottawa.ca
- City of Ottawa: Pothole and Road Maintenance: ottawa.ca (potholes)
