Its northern terminus is at Route 133 in Sainte-Victoire-de-Sorel and its southern terminus is at Saint-Germain-de-Grantham at the junction of Route 122.
The starting point of this route is located on Route 133 in Sainte-Victoire-de-Sorel, while its end point is situated at Saint-Germain-de-Grantham, where it intersects with Route 122.