The ferry symbol is similar to the ford symbol in that approach conditions are recorded in the same manner, and
because the first notation above the line is the serial number.
Ferry number lA, represented by this symbol, has a ___________________________________ approach on the
(number; nature) (3-116)
Finally, the formula indicates snow blockage or flooding, when these conditions occur regularly along the
route. The letter (T) enclosed in parentheses is used for snow blockage; the letter (W) indicates flooding.
Special conditions are indicated at the end of the formula by the letter T, for ____________________________
_____________________ , or the letter W, for _______________________ .