Trans-Canada Highway construction: various MSs and CUs of power shovel loading dump trucks, of bucket biting into dirt, emptying into trucks. Sequence on land surveyors at work showing the transit man waving his arms, the rod man wearing cowboy hat, standing by his rod, chain men measuring distances. Brief MSs of bulldozers moving past camera, shoving rock and debris down short slope, grader moving slowly past camera. Very brief shot of CPR diesel-drawn passenger train moving in lee of mountain. Interior shots of road laboratory, technicians at work testing various things. CU of man at work on small compression tester.