Its northern terminus is in the city of Bécancour at the junction of Route 132, and the southern terminus is at the junction of Route 161 close to Saint-Augustin-de-Woburn.
The northern terminus of this route is located in Bécancour, where Route 132 meets, while the southern terminus is situated close to Saint-Augustin-de-Woburn, at the intersection of Route 161.