Check this out -
Who knew you could drive buses and taxis and freakin' LAWNMOWERS in MSR? I certainly didn't! To be fair, seeing as I only ever managed to get as far as Chapter 13 or thereabouts in my crappy Vauxhall Astra, I shouldn't really be so surprised...but this awesome Youtube video has made me want to jump back into MSR and give it another go.
As a side note, I heard that once you beat every chapter you get to drive around each city in a sort of 'free ride' mode, with all the barriers removed. Anyone out there know if this is true? Answers in the comments section, please.