Quebec Route 343

Route 343 is a provincial highway located in the Lanaudière region of Quebec. It runs from Route 138 west of Saint-Sulpice and south of Autoroute 40 and ends at the junction of Route 347 east of Saint-Come and north of Saint-Alphonse-Rodriguez where it has a concurrency with Route 337.

Municipalities along Route 343

 * L'Assomption
 * Saint-Paul
 * Joliette
 * Saint-Charles-Borromée
 * Saint-Ambroise-de-Kildare
 * Saint-Alphonse-Rodriguez