Buzz·Posted on Feb 11, 2015The 9 Unwritten But Sacred Rules Of Bay Area Casual CarpoolIn a utopian future, these would be 100% legally binding.by by Jessica MisenerBuzzFeed Staff, by Ellen CushingBuzzFeed StaffLinkFacebookPinterestTwitterMail 1. Public radio ONLY. Tap to play GIF Tap to play GIF 2. Always offer your driver a dollar for the toll. Tap to play GIF Tap to play GIF 3. Speak only when spoken to. Tap to play GIF Tap to play GIF 4. Three people per car, unless the driver explicitly agrees to four. Tap to play GIF Tap to play GIF 5. NO eating. Tap to play GIF Tap to play GIF 6. WEAR A SEATBELT. Tap to play GIF Tap to play GIF 7. Don't jump the line. Tap to play GIF Tap to play GIF 8. ...But feel free to decline a ride. Tap to play GIF Tap to play GIF 9. Keep your thirst to yourself. Tap to play GIF Tap to play GIF