title: Trans-Canada Highway
context: The Trans-Canada Highway (French: Route Transcanadienne) is a transcontinental federal-provincial highway system that travels through all ten provinces of Canada from the Pacific Ocean on the west to the Atlantic on the east. The main route spans 7,821km (4,860mi) across the country, one of the longest routes of its type in the world.[3] The highway system is recognizable by its distinctive white-on-green maple leaf route markers, although there are small variations in the markers in some provinces.
question: What is the oldest highway in Canada?
answers: Trans-Canada Highway