A mathematical model published in The Lancet last month also found travel restrictions are only likely to be effective in certain circumstances. Tighter travel restrictions, said Lee, are perhaps best thought of as an extension of social distancing. The way forward, the petition says, is to stop all but absolutely essential travel. Between 200,000 and 300,000 trucks travel between the two countries on any given day, despite travel restrictions. "The problem when people talk about travel restrictions is it's often in terms of what happens at the border.

Source: CBC News January 24, 2021 23:00 UTC