| Buses must indicate where passengers may not stand | |
| Passengers may not stand on any bus | |
| No rider may stand forward of the rear of the driver`s seat | |
| All standing riders must stay behind the standee line |
| Avoid damage | |
| Allow riders to exit using any door or window in an emergency | |
| Allow the driver to move freely and easily | |
| All of these are correct |
| The passenger area of the vehicle only | |
| Both the exterior and passenger area of the vehicle | |
| The exterior of the vehicle only | |
| The vehicle`s engine |