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 riders to exit using any door or window in an emergency | |
Avoid damage | |
All of these are correct | |
Allow the driver to move freely and easily |
A four-inch square | |
A four-inch circle | |
A four-inch triangle | |
A four-inch diamond |