ROAD DESIGN


Design:

 

Implies the concept of alternative solutions

use of engineering judgment

 

Rigid application of techniques does not constitute good design

 

Design Criteria

 

Those requirements that govern the selection of elements and standards for a road

 

Design Elements

 

The physical characteristics of a road (width, shoulders, slopes) that when combined, comprise the planned facility ( road ).

 

Design Standards

 

The definitive lengths, widths and depths of individual elements (12 foot road width Mgt. road 60 foot min. curve radius)

 

Basic Road Template

 

Terminology for the various road parameters

 

Basic Curve Elements and Definitions

 

Curve parameters and their definitions