Another 116 km (72 mi) north and Highway 37 reaches Jade City, where a junction to the former asbestos-mining community of Cassiar is located.

According to the British Columbia Ministry of Transportation, "Most of the route is hard surface (either pavement or sealcoat) with approximately 1 km (0.6 mi) of gravel.

Four bicyclists, whose journey from Alaska to Montana was chronicled in a May 1973 National Geographic article, braved the muddy gap.

The Highway 37 corridor is slated for infrastructure enhancements as resource extraction activities increase in the Northwest region of British Columbia.

The Northwest Transmission Line was constructed by BC Hydro and runs from Terrace, British Columbia to Bob Quinn Lake, largely paralleling the highway.