TM 5-822-12
Figure 1. Thickness design curves for aggregate surfaced roads.
f. Roads for tracked vehicles. Roads sustaining
g. Design life. The life assumed for design is 25
traffic of tracked vehicles weighing less than 40,000
years. For a design life less than 5 years, the design
pounds, and forklift trucks weighing less than 10,000
indexes in' tables 2 and 3 may be reduced by one.
pounds, will be designed in accordance with the
Design indexes below three should not be reduced.
pertinent class and category from table 2. Roads
sustaining traffic of tracked vehicles, heavier than
h. Entrances, exits, and segments. Regardless of
40,000 pounds, and forklift trucks heavier than 10,000
the design class selected for hardstands, special
pounds, will be designed in accordance with the traffic
consideration should be given to the design of approach
intensity and category from table 3.
roads, exit roads, and other heavily trafficked areas.
Failure or poor performance in these channelized traffic
areas
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