Quebec Route 125
# Quebec Route 125

Route 125 is a Quebec highway running from Montreal (on Pie-IX Boulevard near the Olympic Stadium) to Saint-Donat, Lanaudière, Quebec in the Lanaudière. The southern section of Route 125 runs parallel to Autoroute 25 in Laval, Mascouche, and Terrebonne. At Saint-Esprit, the Autoroute ends, and 125 continues northwards until the entrance to the Mont Tremblant Provincial Park north of Saint-Donat.

## 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

| RCM | Location | km | mi | Exit | Destinations | Notes |
| - | - | - | - | - | - | - |
| Montréal | Montréal | 0.0 | 0.0 | | Rue Sherbrooke (R-138) / Boulevard Pie-IX | A-125 southern terminus; Boulevard Pie-IX continues south |
| Montréal | Montréal | 3.9 | 2.4 | | A-40 (TCH) – Québec, Ottawa, Gatineau | A-40 exit 76 |
| Rivière des Prairies | Rivière des Prairies | 8.7– 9.1 | 5.4– 5.7 | Pont Pie-IX (Pie IX Bridge) | Pont Pie-IX (Pie IX Bridge) | Pont Pie-IX (Pie IX Bridge) |
| Laval | Laval | 9.5 | 5.9 | – | Boulevard de la Concorde / Boulevard Lévesque | Interchange |
| Laval | Laval | 10.4 | 6.5 | – | Boulevard Saint-Martin | Interchange; former R-148 west |
| Laval | Laval | 11.1 | 6.9 | – | Boulevard Lite | Interchange; southbound exit and northbound entrance; northbound exit via Avenue Laplace |
| Laval | Laval | 11.5 | 7.1 | 30 | A-440 west / Boulevard Pie-IX north | A-440 exit 30; south end of A-440 concurrency; exit numbers follow A-440 |
| Laval | Laval | 12.5 | 7.8 | 31 | Montée Saint-François | |
| Laval | Laval | 14.9– 16.0 | 9.3– 9.9 | 34 35 | A-25 / A-440 ends – Terrebonne, Montréal | A-440 northern terminus and concurrency; A-25 exit 17; no access from A-25 north to R-125 north; signed as exits 34 (A-440 to R-125) and 35 (A-440 to A-25) |
| Rivière des Mille Îles | Rivière des Mille Îles | 20.4– 20.9 | 12.7– 13.0 | Pont Sophie-Masson (Sophie Masson Bridge) | Pont Sophie-Masson (Sophie Masson Bridge) | Pont Sophie-Masson (Sophie Masson Bridge) |
| Les Moulins | Terrebonne | 21.2 | 13.2 | | R-344 east (Rue Saint-Louis) | South end of R-344 concurrency; R-125 follows Rue Saint-Louis |
| Les Moulins | Terrebonne | 21.4 | 13.3 | | R-344 west (Rue Saint-Louis) | North end of R-344 concurrency; R-125 follows Montée Masson |
| Les Moulins | Terrebonne | 23.7 | 14.7 | | A-25 to A-640 / Grande Allée – Montréal, Rawdon | A-25 exit 24 |
| Montcalm | Saint-Roch-Ouest | 43.1 | 26.8 | 44 | R-339 / Ancienne Route 125 – Saint-Roch-de-l'Achigan, Saint-Lin-Laurentides A-25 south – Montréal | South end of A-25 concurrency; exit numbers follow A-25; R-125 becomes unsigned |
| Montcalm | Saint-Esprit | 46.3 | 28.8 | 46 | R-158 west – Saint-Lin-Laurentides, Saint-Jérôme | South end of R-158 concurrency; A-25 becomes unsigned; R-125 signage resumes |
| Montcalm | Saint-Esprit | 49.9 | 31.0 | | A-25 ends / R-158 east – Saint-Jacques, Joliette | A-25 northern terminus; north end of A-25 / R-158 concurrency |
| Montcalm | Sainte-Julienne | 58.3 | 36.2 | | R-337 south / R-346 east – Saint-Calixte, Saint-Liguori | South end of R-337 concurrency; R-346 western terminus |
| Montcalm | Sainte-Julienne | 63.1 | 39.2 | | R-337 north – Rawdon | North end of R-337 concurrency |
| Matawinie | Rawdon | 67.3 | 41.8 | | R-348 east – Rawdon | |
| Matawinie | Rawdon | 74.1 | 46.0 | | R-341 south – Rawdon | |
| Matawinie | Rawdon – Chertsey boundary | 77.4 | 48.1 | | R-335 south – Saint-Calixte | |
| Matawinie | Notre-Dame-de-la-Merci | 105.2 | 65.4 | | R-347 south – Saint-Côme | |
| Matawinie | Saint-Donat | 120.1 | 74.6 | | R-329 south – Lantier, Sainte-Agathe-des-Monts | |
| Matawinie | Saint-Donat | 132.6 | 82.4 | | Parc national du Mont-Tremblant | R-125 northern terminus; continues into Mont-Tremblant National Park |
| 1.000 mi = 1.609 km; 1.000 km = 0.621 mi Concurrency terminus Incomplete access |||||||
