Dedication Ceremony of the Alcan (Alaska Canadian) Highway. Shot of trucks waiting for official opening. Crowd at ceremony. Scene of American flag. Canadian mounted police at dedication ceremony. North West mounted at attention. In front of American and Canadian flags and sign "Soldier's Summit". Mounted police at attention. A girl at ceremony. Canadian and American holding respective flags. Inspector William Grennon, RCMP. Ribbon cutting ceremony. Audience applauding. Brigadier General O' Connor clapping. Sign on U.S. Army truck "First Convoy White Horse to Fairbanks November 20, 1942". Truck convoy on open highway. (World War II period).
Supplies are carried by trains and trucks in Alaska. Ships unload food and supplies at Skagway, Alaska. Smoke rises from smokestack of the ship. Men unload the supplies. Train of the Yukon railroad, under operation by the United States Army is loaded with food and supplies for troops guarding arctic outposts in World War II. A Yukon Railroad train moves along railroad tracks. A sign reads "Whitehorse, Yukon" at the Whitehorse stop in Yukon territory of Canada. Truck on the new Alaska Truck Highway passes by with freight it received at Whitehorse.