(recorded or symbolized) (3-72)
See the ford reconnaissance symbol shown on page 4 of Appendix I. This symbol provides limited information
about the ford by figures above and below the main line of the ford symbol. Approach conditions are shown by a
straight or sawtooth line on the left or right of the figures. An arrow at one end o this line indicates the location of
The ford symbol consists of ___________________ above and below a line symbol, with a straight or sawtooth
line on either side to indicate ________________________ _________________________ , and an arrow to
indicate _________________________ .
(ford; ferry) (3-103)
Remember that fords and ferries are always considered obstructions, regardless of their size or capacity. The
tunnel and the bridge shown on the overlay, however, would not be obstructions to the expected traffic, since both
their widths and overhead clearances equal or exceed the minimum for one-way tracked vehicles. How many of the
curves shown constitute obstructions?