I grew up in Quincy. Left in the late 80s but my family lived there until a few years ago. Its basically an extension of Boston now and so much busier and more crowded than when I lived there.

Newport Ave has always been a racetrack. So was the boulevard along the beach. There used to be state police presence and strictly enforced speed limits along the beach but I've not seen that in years. But it does feel much crazier now on those roads than in the past. And coupled with really bad driving in Hancock Street and Beale Street is a zoo, with people running lights, pulling u-turns in the middle of busy moving traffic, pedestrians crossing against lights, etc.

West Quincy seems a little quieter.

Montclair and North Quincy (my old haunts), including Billings Rd, East/West Squantum, around the T station, are a challenge to driving without going postal.