Table 2A-3. Use of Sign Shapes
Shape
|
Signs |
Octagon
|
* Stop |
Equilateral
Triangle (1 point down)
|
* Yield |
Circle
|
* Highway-Rail Grade
Crossing (Advance Warning) |
Pennant
Shape/ Isosceles Triangle
(longer axis horizontal)
|
* No
Passing |
| Pentagon
(pointed up) |
* School Advance
Warning Sign
* County Route Sign |
Crossbuck
(two rectangles in an "X" configuration) |
* Highway-Rail Grade
Crossing |
| Diamond |
Warning Series |
| Rectangle
(including square) |
Regulatory Series
** Guide Series
Warning Series |
| Trapezoid |
Recreational
and Cultural Interest
Area Series
National Forest Route Sign |