Quebec Route 343
| Route information | ||||
|---|---|---|---|---|
| Maintained by Transports Québec | ||||
| Length | 74.4 km (46.2 mi) | |||
| Major junctions | ||||
| North end | R-347 in Saint-Côme | |||
| R-158 in Joliette A-40 in L'Assomption | ||||
| South end | R-138 in Saint-Sulpice | |||
| Location | ||||
| Country | Canada | |||
| Province | Quebec | |||
| Major cities | L'Assomption, Joliette | |||
| Highway system | ||||
| ||||
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.