TY  - BOOK
AU  - Hay, William W.
TI  - Introduction to Transportation Engineering
U1  - 629.04 HAY 
PY  - 1961///
CY  - New York
PB  - John Wiley & Sons
KW  - Transportation engineering
N1  - <p>Table of Contents:</p>

<p>1. The Tr
ER  -