| Pie-IX Boulevard | |
| Length Km: | 11 |
| Location: | Montreal, Quebec, Canada |
| Direction A: | South |
| Terminus A: | Notre-Dame Street |
| Direction B: | North |
| Terminus B: | Henri Bourassa Boulevard |
| Inauguration Date: | 1874 |
Pie-IX Boulevard (French: '''boulevard Pie-IX''', pronounced in French pronounced as /piˈnœf/ in both English and French), named after Pope Pius IX, is a major boulevard in Montreal, Quebec, Canada. It runs for roughly 11km (07miles) in a northwest–southeast direction between Henri Bourassa Boulevard and Notre-Dame East. Pie-IX Boulevard runs past the Montreal Botanical Gardens and the Olympic Stadium. The boulevard forms part of Quebec Route 125.
It traverses the boroughs of Mercier–Hochelaga-Maisonneuve, Rosemont–La Petite-Patrie, Villeray–Saint-Michel–Parc-Extension and Montréal-Nord.
See main article: Pie-IX BRT. metro station is located on and named for the street.
The boulevard is serviced by the 139 Pie-IX regular service bus, and the BRT reserved bus lane 439 bus.
The Montréal-Nord commuter rail station is located on Pie-IX Boulevard.
After an initial attempt in the 1990s, a bus rapid transit (BRT) opened on November 7, 2022. Currently, the BRT runs from Saint-Martin in Laval to Pie-IX and Mont-Royal in Rosemont-La-Petite-Patrie. The Jean-Talon and Bélanger stations are under construction that includes a transfer to a new unnamed station on the Blue Line.[1]