KRS 281.735: Overcrowding of passenger vehicles -- Maximum width.

(1) The department shall, in its safety regulations, prescribe rules prohibiting

overcrowding in the various types of motor vehicles carrying passengers for hire.

(2) The owner or driver of any motor vehicle for the transportation of passengers shall

not permit any passengers to ride upon the steps or running-board of any such motor

vehicle, nor shall he permit any passenger to ride on the top of any such motor

vehicle unless the top has been designed and equipped with seats constructed for

such use and provided with protecting railing or protective enclosure on all four (4)

sides of the top of the vehicle, and unless such use has been authorized by a

certificate issued by the department.

(3) No motor carrier shall operate a motor vehicle for the transportation of persons for

hire, except buses, with an extreme width exceeding ninety -six (96) inches, except

upon such highways which are a part of the state -maintained system upon which

increased widths have been authorized by order of the commissioner of highways as

provided by law. The extreme width of a bus shall not exceed one hundred two

(102) inches.