Okay, even if you're not in Brockton for research purposes, I still recommend taking a bus anyway simply because it's cheaper. For me though, I'm usually in Brockton on some sort of research-related reason, (i.e. visiting Brockton Public Library, looking for a grave at a cemetery, etc). I don't drive but even if I did, with gas prices the way they are and everything, I'd still take a bus.
BAT (Brockton A