Route 125 is a Quebec highway running from Montreal (on Pie-IX Boulevard, near the Olympic Stadium) to Saint-Donat, Lanaudière. The southern section of Route 125 runs parallel to Autoroute 25 in Laval, Mascouche, and Terrebonne. At Saint-Esprit, the Autoroute ends, and Route 125 continues northwards until the entrance to the Mont-Tremblant National Park, north of Saint-Donat.
Trace Route 125, a road parallel to the Autoroute 25, begins at the corner of Sherbrooke Street East (Route 138) in Montreal and is called "Boulevard Pie-IX." Then, it crosses Rivière des Prairies and becomes the famous Pix-IX Expressway. It keeps this name until it meets with Autoroute 440. Between Pie-IX Bridge and Autoroute 440, it has a highway configuration and has two lanes in each direction that are separated by a median. The streets are crossed by an overpass, and the lanes are connected by access ramps.
Route 125 then crosses the Île Jésus (Laval) and the Mille Îles River on the Sophie-Masson Bridge and arrives in Terrebonne. After its concurrency with Autoroute 440, it is more like a secondary road and is quite narrow until Route 344, when it forms a short concurrency before it joins Montée Masson, in downtown Terrebonne. From there, it heads to the city of Mascouche, of which it is its main road. Once past the built-up area of Mascouche, it looks again like a narrow secondary road and does not even have a double yellow line.
When Route 125 reaches Saint-Roch-de-l'Achigan, it is a little-used country road. At the junction of Route 339, it takes it to form a short concurrency with the Autoroute 25 at its northern end. From Saint-Esprit, Route 125 becomes the main traffic route to the northwest of Lanaudière since Autoroute 25 ends at Saint-Esprit. Route 125 heads towards Sainte-Julienne, where it forms a short concurrency with Route 337 to the vicinity of Rawdon.
After Chertsey, Route 125 is a four-lane divided road for about 10 km in Entrelacs. It then reaches Saint-Donat before it ends at the entrance of Mont-Tremblant National Park.
Municipalities along Route 125 Montreal (Rosemont–La Petite-Patrie / Villeray–Saint-Michel–Parc-Extension / Montréal-Nord) Laval Terrebonne Mascouche Saint-Roch-de-l'Achigan Saint-Roch-Ouest Saint-Esprit Sainte-Julienne Rawdon Chertsey Entrelacs Notre-Dame-de-la-Merci Saint-Donat
Major intersections
See also List of Quebec provincial highways Pie IX Bridge Sophie Masson Bridge
References
External links Provincial Route Map (Courtesy of the Quebec Ministry of Transportation)