(route reconnaissance) (3-1)
FRAME 3-2 INFORMATION FRAME
A route is acomposite of terrain factors. Information about these factors is the object of route reconnaissance.
a. Physical characteristics of routes such as widths, curves, surface types, gradients, etc.
b. Bridges, fords, ferries.
c. Tunnels and underpasses.
d. Artificial obstacles (roadblocks, craters,
e. Rockfalls and slide areas.
g. Other natural and man-made features, such as wooded or built-up areas, which may affect movement.
(greater than; sharp; 22m) (3-31)
Sharp curves are considered to be obstructions.
Therefore, curves with radii of 25 meters or less are considered to be ____________________, and must be