• When lake ice is 60 cm. thick (usually late January to early February), trucks can travel on the ice road, carrying no more than 50% of their maximum capacity.
Once the ice is 100 cm. and thicker, trucks can travel on it with their maximum loads (up to 63,500 kg.).
• Ground penetrating radar (GPR) on sleds are the main method used for measuring ice thickness.
• As a truck drives over an ice road, it displaces the ice and water beneath. A loaded truck traveling at 25km-per-hour creates a localized bowl-shaped depression,
while a faster truck can trigger ice and water waves that can crack the ice. Loaded trucks must slow down to 10 km-per-hour when entering and exiting an ice
road. (Source: Canadian Geographic)
2018 RoadCheck
- 20.4% of trucks in Canada were placed out of service (17.2% in Ontario).
- 2.3% of drivers checked across Canada were placed out of service (2.2% in Ontario).