| Safe for cars but not necessarily for buses | |
| Safe for both cars and buses | |
| Safe for all conditions | |
| Safe for buses, cars can exceed this speed |
| Allow the driver to move freely and easily | |
| All of these are correct | |
| Avoid damage | |
| Allow riders to exit using any door or window in an emergency |
| Emergency medical supplies | |
| Oxygen | |
| Propane | |
| Grenades |