SET 3-9. FERRIES
A ferry, like a ford, is always considered to be an obstruction to traffic and therefore is always recorded on
Beside some bridges and all fords, another river crossing method that is always considered an obstruction
is a ______________________ .
(overhead clearance; obstructions) (3-115)
If the formula indicates that there are obstructions along a route, it is necessary to refer to the overlay to
determine the number and nature of the obstructions.
The formula indicates the existence, but not the ___________ or ____________ of the obstructions.