Route 340 is a 40-kilometre (25 mi) long, mainly east/west secondary highway in the north-eastern portion of New Brunswick, Canada.

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Quick Facts Route 340, Route information ...

Route 340
Route information
Maintained by New Brunswick Department of Transportation
Major junctions
East end	Route 11 in Janeville
West end	Route 135 in Hautes-Terres
Location
Country	Canada
Province	New Brunswick
Major cities	Canobie, Canobie South, Rocheville, Notre-Dame-des-Erables, Haut-Paquetville
Highway system
Provincial highways in New Brunswick Former routes
← Route 335 → Route 345

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The route's western terminus is in the community of Janeville. The road travels south-east to the community of Canobie. Passing the community, the highway takes a 90 degree turn south passing the community of Canobie South. The highway takes a 45 degree turn and travels to the community of Rocheville before taking another turn south then another turn east going towards Notre-Dame-des-Erables, Haut-Paquetville, and eventually Hautes-Terres. There are no river crossings or intersecting routes.

• List of New Brunswick provincial highways