(obstructions; always recorded) (3-27)
FRAME 3-28.
As you learned in FRAME 3-16, when a route curves on the ground the line depicting it curves on the overlay.
An additional symbol is needed if the curve is sharp; that is when it has a radius of 25 meters or less.
Curves which have a radius 25 meters or less are considered ___________________ curves, requiring an
additional symbol.
(go on to next frame) (3-57)
FRAME 3-58.
The bridge symbol also has information to the left, right and below the basic symbol. Overhead clearance is to
the left, overall length of the bridge to the right, and traveled way width is blow the basic symbol
The bridge represented by this symbol has ___________________ overhead clearance, __________________
overall length, and _________________ traveled way width. The classification of this bridge for two way wheeled
vehicle traffic is ______________________ .
3-57
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