| Route 251 | ||||
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| Route information | ||||
| Maintained by Transports Québec | ||||
| Length: | 38.5 km (23.9 mi) | |||
| Major junctions | ||||
| South end: |
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| North end: |
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| Location | ||||
| Major cities: | Martinville | |||
| Highway system | ||||
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Route 251 is a north/south highway on the south shore of the St. Lawrence River. Its northern terminus is at Route 108 in Cookshire-Eaton, and its southern terminus is at Route 141, in Saint-Herménégilde.