Your MOC changed my childhood, Back when I was 7, my Mom had a folder with about 100 GO Transit related photos, Your MOC was in there, pictures of your MOC made my childhood, insistently becoming my favorite photo for quite a while.
Well, this is great, but there are a few details that need fixing. First, if you could get those wheels in a color other than yellow, like white, that would help a lot. Also, the tops of the window frame areas could use some flat-topped plates. Nice SNOT up there at the top though.