10. How many other symbols represent an obstruction to two-way tracked vehicles with regard to the width
of traveled way?
11. If only one-way tracked vehicular traffic were permitted, how many obstructions, from the standpoint of
width, would remain?
12. #1?
13. Are any of the bridges easy to bypass?
14. Which approach is difficult at the ferry site?
15. What is the stream velocity at ford #1 ?
16. The route classification formula for this route is shown in the northeast corner of the overlay. Is the type
indicated for this route consistent with the ford symbol?
17. What change would you make in this route classification formula when considering this route for two-
way tracked vehicular traffic?
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