Aries: sleeps

Taurus: eats

Gemini: listens to music

Cancer: punches Scorpio every time they spot a yellow car

Leo: stares out the window the whole trip

Virgo: talks during the whole trip

Libra: on their phone the whole trip

Scorpio: plotting to kill cancer

Sagittarius: drives

Capricorn: complains on how long it's taking to get to the destination

Aquarius: reads a book

Pisces: takes selfies with the sleeping people