(underlined) 3- 61)
FRAME 3-62
Draw a symbol for a bridge on a route expected to have two way tracked and wheeled vehicle traffic with the
following characteristics:
a.
Bridge number 62.
b. Tracked vehicle class.
1. One way 60.
2. Two way 30.
c.
Wheeled vehicle class.
1. One way 65.
2. Two way 30.
d. Traveled way width: 7.5m
e.
Overall length 95m.
f.
Overhead clearance 9.9m
g.
Bypass easy.
Set 3-10. UNDERPASSES AND TUNNELS
FRAME 3-92
Two structures found along a route which will often cause overhead clearance to be restricted are underpasses
and tunnels The underpass symbol is drawn across the route symbol on the overlay in its correct location. The
location of the tunnel is indicated by an arrow. Both symbols indicate the general shape of the opening, such as
arched or rectangular.
Symbols for under passes and tunnels show both the ____________________________________ and general
______________________ of the feature.
3-4
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