on this connection on 117 the 117 has 2 full lanes but there's also a 3rd lane for ramp on left side to let car enter from the left side(incoming from the rue saint-faustin ) .. here's a google street view .. 
https://maps.app.goo.gl/dmDeopmTuZAQwDjh9
there are many junctions like this on the 117 in this area to assist cars in entering the highway from the lefthand side 
