The conductor carries a small valise suspended from his neck, and whistles through his lips ?up-hill? to stop, and ?down-hill? as the starting-sign. Airplane Mode Shirt Derrick Jones The usual notice, ?Smoking allowed on the three rear seats only,? is absent, for everyone smokes, even to the conductor, who generally drops the ash off a 15-for-a-cent cigarette into your lap as he hands you a receipt for your dos centavos. The chief rule of the road says: ?This car has seats for twelve persons, and places for eight on each platform. Passengers are requested to stand in equal numbers only on both platforms, to prevent derailment.?