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Which priority tier your street is in and how fast the City aims to clear it after snow — and why side streets and rural roads take longer.
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Greater Sudbury clears roughly 3,700 lane-kilometres of road across an area of about 3,200 km² in priority order after a snowfall — not all at once. Which tier your street is in decides how fast it is cleared, and to what standard. When the City declares a Significant Weather Event, these timelines are paused while crews focus on the most hazardous conditions; the clock below only starts once that event is lifted.
The standard
After 5 cm of snow in 24 hours, the city starts clearing by priority.
Streets are cleared in priority order, not all at once. Find your street’s tier below.
These are the city’s targets, not guarantees
Tap the closest match to see its priority. Not sure? The City’s map below is exact.
Main arterial roads and the busier collector routes — the highest-speed, highest-traffic streets (Ontario road classes 1 to 3). These are cleared to bare or near-bare pavement.
For example: Main through-routes, bus corridors, the downtown core and the roads around the hospital
Cleared to bare pavement within 3 to 8 hours after the snow stops. Plows head out once about 5 cm has built up.
Residential streets and rural roads (road classes 4 to 6). By the City's standard these are kept to a snow-packed, sanded surface — not bare pavement — which is why side streets and outlying roads take longer and stay whiter.
For example: Neighbourhood side streets and the rural roads across the outlying communities
Cleared to a snow-packed, sanded surface within 8 to 24 hours after the snow stops. Plows head out once about 8 cm has built up.
About 440 km of maintained sidewalk, cleared to a snow-packed and sanded surface.
Cleared within 24 hours after the snow stops.
Around 400 transit stops, cleared so riders can get to the bus.
Cleared within 24 hours after the snow stops.
Measured from the moment the snow stops — targets, in priority order.
The City does not run a windrow-clearing program — clearing the ridge of snow a plow leaves across the end of your driveway is the resident's responsibility. If a plow damages your lawn or driveway, report it to 311 and the City repairs it in the spring.
Priority walking and cycling routes are covered by the City's separate Active Transportation Winter Maintenance Plan.
Find your street’s exact priority
If your street is past its target window, let the city know.
City Service Centre
This page explains the city’s snow-clearing standard. It is not an alert service and does not track plows in real time.
Source: City of Greater Sudbury — Road Clearing Index (winter road maintenance standard), checked July 6, 2026 (last month).
5 cm in 24 h starts the clock
Tier 1 — main roads by 8 hours; Bus stops by 1 day after the snow stops
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