I'l preface this with the fact that I'm from Vancouver but from an outsiders view I have to say that I find the design of the Crosstown to be rather awkward. It seems like they chose the vehicle before and then tried to make it work with the corridor. The choice of low floor LRT vehicles instead...

The wide seats are probably a bit to wide to fit. I would be surprised if they added a third width of seats. The seats in most public transit vehicles these days are designed to easily removed and replaced in case of damage or vandalism and I'm surprised that they are spending the money to stock...

Srt? Note that there was nothing said about the SRT.