When it comes to the most dangerous winter highways in the U.S., the pattern is clear: the ones exposed to quick weather changes, complex traffic movements, and terrain features that magnify the effects of ice and snow rise to the top. Each winter, these highways stand out for how quickly conditions can turn dangerous. Forecasts can shift without warning, and familiar routes can behave unpredictably when cold air or fast-moving squalls roll in. These corridors see sudden temperature drops, rapid icing,
Up to 10 cm of snow is expected throughout the GTA on Sunday. It's the earliest occurrence of over 5 cm of snow since 1969, the Weather Network posted on social media. But the dump of snow has been causing issues on the roads. Ontario Provincial Police responded to over 140 collisions throughout the day, they said on X, formerly known as Twitter. Sgt. Kerry Schmidt with the Ontario Provincial Police Highway Safety Division said Sunday is just the beginning of driving in winter weather.