Road Conditions

Estrie

55 Works: road resurfacing on A-10 In Magog Closure of the A-55 NORTH access ramp to A-10 EAST From Sunday 9 p.m. to Friday 1 p.m. Detour: upstream, via exit 33 towards R-112 EAST (Boulevard Bourque) Note: traffic restored during weekends
55 Asphalting Between Sherbrooke and Saint-François-Xavier-de-Brompton Between the diversion roads of km 61 and 72 In both directions Contraflow traffic at all times, between Sunday 10 p.m. and Friday 4 p.m.

Mauricie—Centre-du-Québec

Louis-Hippolyte-La Fontaine tunnel

Height clearance reduced to 4.3 meters since May 5, 2025. Recreational vehicles, among others, make sure to respect the height clearance before including the tunnel in your itinerary. .
Work on the Laviolette Bridge will resume during weekday nights and sometimes on weekend nights until fall 2025.

Check the roadworks in detail for information, including the planned times of the obstructions.
55 Road redevelopment (Highway 55) Between 9th Rang in Saint-Wenceslas and Highway 20 in Sainte Eulalie. In both directions -Monday, August 18: In both directions: complete lane closures, between 7 p.m. and 5:30 a.m. the following day. -From Monday, August 18 to Monday, September 29: In both directions: shoulder closures at all times. Detour Via 9th Rang, Route 161 / Rue des Bouleaux and the Highway 20 interchange. -From Sunday, June 8 to Friday, October 24, at any time: Heading South. Via 9th Rang (access ramp to Highway 55). Track width reduced to 3.2 m
55 Patching In Saint-Wenceslas and Saint-Célestin, between 9th Rang (Saint-Wenceslas) and route 226 (Saint-Célestin). In both directions. Complete closure of the lanes, between 6 p.m. and 4 a.m. the following day. Detour: via 9th Rang and Route 161.
55 Replacing the slab In Trois-Rivières and Bécancour, at the Laviolette Bridge located over the Saint Lawrence River. In both directions - Regular and intensive works: traffic in the opposite direction on the opposite carriageway. Lane width reduced to 3.2m. -Monday to Thursday, between 7 pm and 6:30 am the following day. Friday, between 8 pm and 11 am the following day. Saturday, between 6 pm and 11 am the following day. Sunday, between 6 pm and 6:30 am the following day. Exit 181-N closed. August 15. Exit 176-S closed. From August 18 to 21. Detour Exit 176-S: via Highway 30 West and Boulevard de
55 Structural inspection In Saint-Boniface, at exit 211 (Route 153, Saint-Boniface, Saint-Élie-de-Caxton). In both directions In both directions Closure of 1 of 2 lanes under the Route 153 overpass. Southbound Closure of exit 211 (Route 153, Saint-Boniface, Saint-Élie-de-Caxton). Detour via Highway 55 South, exit 206 (Saint-Boniface), Ringuette Avenue, Highway 55 North and exit 211 (Route 153, Saint-Boniface, Saint-Élie-de-Caxton, Shawinigan downtown).
55 Reconstruction of the bridge (P-14679, P-19981) In Shawinigan, at the Piles Bridge. In both directions Traffic on diverted lanes on both sides of the bridge. Southbound: Exit 226 closed. At all times. Detour Detour exit 226: via Highway 55 South, exit 223 (Avenue de Grand-Mère, 25th Street), 6th Avenue / 26th Street, 5th Avenue, 25th Street, 6th Avenue, Highway 55 North and exit 226 (Chemin du Parc-National, 8th Street). Track width reduced to 4 meters.