Toronto’s worst intersections, redux

by Patrick Cain

Various media outlets have taken a swing at a Toronto’s Worst Intersections story at some point. It’s not an exact science – most seem to be based on reader nominations. Ours have been statistical: a ratio of reported accidents to the traffic volumes at the intersection.

Last summer, we looked at Toronto’s worst pedestrian intersections using this system (link, link). The results were revealing – most of the most dangerous places to walk in the city were suburban intersections where heavy, fast traffic on roads designed for cars met high residential density.

Here’s the worst:

View Larger Map

Last week we went though the same process for motorists, crunching a decade’s worth of collision data, or about 500,000 accidents.

Lakeshore and Jameson and Eglinton and the Allen were #2 and #3 on the list (not surprising for people who have spent time driving in Toronto) but the sleepy T-intersection of Old Finch Ave. and Sewells Road topped the list. It has little traffic, but in proportion to that, lots of accidents. Drivers have to deal with a steep hill, two blind corners in opposite directions – hard to keep an eye on both – and the semi-official gravel lane for traffic turning north, and a one-lane Bailey bridge, a leftover from Hurricane Hazel now more than half a century old.

View Larger Map

Here are screenshots of the maps:

Cross-posted at


About Leslie Young

A budding data and database geek, I try to turn numbers into stories. I've been with Global News since the spring of 2011. Find me on Twitter @leslieyoung
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