Junction of Highway # 16 The Yellowhead Route The Stewart Cassiar highway is part of the British Columbia Circle Tour ' The Great Northern Route'. Experience a view of BC as enduring as the ancient Rocky Mountains. Choose one of our self-guided circle tours and set off through some of the most spectacular scenery in the world. The Great Northern Circle Route, you can visit the original site of Canada's fur trade, stop in gold rush boomtowns, railway towns, Victorian heritage towns, and even spooky ghost towns. NOTE; For highway travel west via BC. Highway #16 'The Yellowhead Route' See - Milebymile.com Road Map Highway Travel Guide Kitwanga, BC Junction of Highway #37 to Terrace B.C. for driving directions and highway photos. The Stewart-Cassiar Highway The Stewart-Cassiar Highway runs from the junction of Highway #16 (The Yellowhead Route) north to the Yukon border and connects with The Alaska Highway.This highway offers some of the most awe-inspiring scenery, with wild rivers, deep canyons and wildlife that you will encouter along the way.