LESSON 2
PRACTICE EXERCISE
The following items will test your grasp of the material covered in this lesson. There is only
one correct answer to each item. When you complete the exercise, check your answers with
the answer key that follows. If you answered any item incorrectly, study again that part of
the lesson which contains the portion involved.
1.
The traveled-way width is expressed in what manner in the route classification
formula?
A.
Feet
B.
Single or double lane
C.
Meters
D.
OB
2.
A route that is Type Z, has what characteristic?
A.
An all-weather route
B.
A limited all-weather bridge
C.
A limited all-weather route
D.
A fair-weather route
3.
To be classified as an obstruction, what is the minimum overhead clearance?
A.
4.0 meters
B.
4.3 meters
C.
5.3 meters
D.
7.3 meters
4.
What symbol is used to show regular, recurrent, and serious snow blockage?
A.
∞
B.
B
C.
T
D.
OB
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EN 5621