Junction of Highway #37 &37a The Stewart Cassiar Highway B.C. West to Stewart B.C. and Hyder Alaska. Community of Meziadin Junction - Services fuel at highway, gas diesel, supplies, telephone. Note there is an area that one who is towing a 5th wheel or tow car can park their rig at a dry camp area for a small fee. 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.