University of Virginia Library

Study of Alternatives:

The process of public review requires that alternative locations
be considered before the final location is approved. Once the
corridor is selected to preserve the natural and historic features
from the impact of construction, alternate routes may be considered
on the basis of economy.

A quick technique to study excavation cost is to draw a profile
of the groundline and then to superimpose a centerline profile.
Then draw quick cross-sections at representative locations to
determine the average conditions. Rough calculations can be made
to compare the earthwork required in each of the alternatives.