For decades, Canadian cities and towns have combated ice and snow with salt and plows. This approach, however, comes at a ...

The main culprit is the freeze-thaw cycle. During the day, snow and ice melt, seeping water into tiny cracks in the pavement.

Canada now has its first permanent year-round highway straight to the Arctic Ocean. The Inuvik-to-Tuktoyaktuk highway has officially opened, marking the completion of a project decades in the making.