Quebec Autoroute 55
| Autoroute Joseph-Armand Bombardier Autoroute de l'Énergie | ||||
| Route information | ||||
| Maintained by Transports Québec | ||||
| Length | 246.5 km (153.2 mi) | |||
| Existed | 1964–present | |||
| History | A-51 | |||
| Major junctions | ||||
| South end | I-91 at the Canada–United States border in Stanstead, Quebec | |||
| A-10 in Magog A-410 in Sherbrooke A-10 / A-610 in Sherbrooke A-20 (TCH) in Drummondville A-20 (TCH) / A-955 in Sainte-Eulalie A-30 / R-132 in Bécancour R-138 in Trois-Rivières A-40 in Trois-Rivières | ||||
| North end | R-155 in Shawinigan, Quebec | |||
| Location | ||||
| Country | Canada | |||
| Province | Quebec | |||
| Major cities | Magog, Sherbrooke, Drummondville, Trois-Rivières, Shawinigan | |||
| Highway system | ||||
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Autoroute 55 (also called Autoroute de l'Énergie north of the Autoroute 20 and Autoroute Joseph-Armand Bombardier south of it) is an important north–south Autoroute and the only one running in that direction in central Quebec. It is the longest north-south Autoroute, beginning as the continuation of I-91 at the Canada–United States border near Stanstead and continuing to Shawinigan, where it downgrades to Route 155. The total length of A-55 is currently 247 km (153.5 mi) long, including concurrencies with Autoroute 10, Autoroute 20 and Autoroute 40.