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Geometric Design: Theory and Concepts

 
A course in transportation engineering wouldn't be complete without discussing some elements of Geometric Design. Most junior level courses cover several aspects of Geometric Design, including the topics listed below. As these discussions are only meant to supplement your learning experience, please don't forget to read your textbook. To begin learning about these Geometric Design principles, just click on the link of your choice. Topics followed by the characters '[d]' include an Excel demonstration.

Sight Distances
Brake Reaction Time
Braking Distance [d
]
Stopping Sight Distance [d]
Decision Sight Distance
Passing Sight Distance [d]

Horizontal Alignment
Horizontal Alignment
Superelevation and Side-Friction
Minimum Radius Calculations [d]
Design Iterations
Horizontal Curve Sight Distance [d]
Transition Segments

Vertical Alignment
Vertical Alignment
Ascending Grades
Descending Grades
Vertical Curves
Crest Vertical Curves [d]
Sag Vertical Curves [d]