sentences:  The Yellowhead Highway branches to the north, and the Crowsnest Highway, acts as a southern spur or shortcut to travelling from Alberta to British Columbia across the Rockies.Canada's national highways are similar to the US Route network, as it is mostly two-lane without freeway sections, aside from in and near large population centres, such as Montreal, Calgary, and Regina.Canada and the United States have also built the vital Alaska Highway, linking Anchorage, Alaska (and the rest of the state) to Canada and the rest of the United States.