[not mine]

Aries: "Are we there yet?!" x100

Taurus: sleeps through the entire trip

Gemini: too busy reading guidebooks and spouting trivia about the surroundings to actually see anything

Cancer: tries to instigate roadtrip games

Leo: insists on driving the whole way

Virgo: in charge of maps and navigation

Libra: gets pissed off when the others don't like their music

Scorpio: moodily reads the entire trip

Sagittarius: backseat driver to the max

Capricorn: gets monumentally pissed off at having to sit for so long

Aquarius: the trip was their idea, really excitable

Pisces: the one that loves sticking their hand out the window and daydreaming the whole time