Transportation affects every aspect of our lives and daily routine, including where we live, work, play, shop, go to school, etc. It has a profound impact on residential patterns, industrial growth, and physical and social mobility. Roads, highways, freeways and mass transit systems do not spring up out of thin air. They are planned. Someone makes a conscious decision to locate freeways, bus stops, and train stations where they are built. Transportation is no less a civil rights and quality of life issue. Safety and accessibility are the most significant considerations in transportation planning. Zoning and other practices of exclusion result in limi