Where is this? In eastern canada that's impossible to imagine - although most highways are 2-3 lanes, not 6, I couldn't imagine having a free lane on the side w

Where is this? In eastern canada that's impossible to imagine - although most highways are 2-3 lanes, not 6, I couldn't imagine having a free lane on the side while having bumper to bumper everywhere else. Or are these protected lanes for carpooling? I find this very impressive!