Seated on the left, the driver naturally preferred that other wagons pass him on the left so that he could be sure to keep clear of the wheels of oncoming wagons.
Loomulikult eelistas vasakul pool istuv kutsar seda, et vankrid mööduksid temast vasakult poolt, nõnda et oleks võimalik hoiduda vastutulevate vankrite ratastesse takerdumast.