TCH east of Nipigon (La route transcanadienne à l'est de Nipigon)

[wave46]

Originally Posted by Dengler Avenue

Wondering if a tunnel (like how the Aussies did it with their A1 around St Helen) would be cost effective then...

Tunnels are pretty expensive. Given the terrain, I'd imagine the highway would be rerouted away from the river and built with conventional methods.