From the ReNew Canada story of 2018:
The SRB Pie-IX project consists in setting up permanent high-level dedicated lanes, allowing buses to run on Pie-IX Boulevard, between Saint-Martin Boulevard in Laval and Pie metro station-IX, in Montreal. The 11-kilometre route will have 17 stations, with two in Laval and 15 in Montreal, and a 750-spot parking space at Laval’s terminal station.
The SRB Pie-IX will provide:
An increase of 30,000 trips by public transport per day;
A bus frequency similar to that of the subway;
An improvement in the comfort of public transit users thanks to bus shelters allowing to accommodate a hundred people simultaneously and simplifying the ascent and descent;
Better interconnectivity with the public transport network;
Competitiveness and economic attractiveness of the axis Pie-IX, two of the most important axis of the island of Montreal for public transport and the largest public transportation corridor east of the Orange Line subway from Montreal; and
The potential development of several projects focused on public transit, both in Laval and Montreal.
The project got underway in fall 2018, as it expected to reach substantial completion in 2022.