| Route 346 | ||||
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| Route information | ||||
| Maintained by Transports Québec | ||||
| Length: | 22.0 km (13.7 mi) | |||
| Major junctions | ||||
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| West end: |
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| Location | ||||
| Counties: | Montcalm / Joliette | |||
| Highway system | ||||
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Route 346 is a provincial highway located in the Lanaudière region of Quebec, Canada. It runs from the junctions of Route 125 and Route 337 in Sainte-Julienne and ends at Route 343 in Saint-Charles-Borromée. The route also runs concurrent with Route 341 in Saint-Liguori.