This document illustrates the the development, planning and construction of the Interstate Highway System, gives highlights on how the Interstate System has affected Americans' lives and looks forward to information on how the Interstate System can be improved over the next 50 years . This document also includes a number of guest editorials and gives a state-by-state look at the individual interstates.

The motorcoach then overrode the bridge rail, rotated clockwise, and fell 19 feet onto the southbound lanes of the interstate. The motorcoach came to rest on its left side (driver's side), perpendicular to the southbound lanes of Interstate 75. Two southbound passenger vehicles received minor damage from debris as the motorcoach fell onto Interstate 75; none of the passenger vehicle occupants were injured. Seven motorcoach occupants were killed: the driver, the driver's wife, and five passengers. Seven other passengers received serious injuries, and 21 passengers received minor injuries. Major safety issues identified in this accident include inadequate HOV traffic control devices, inadequate motor carrier driver oversight, lack of event data recorders on motorcoaches, and lack of motorcoach occupant protection.

This volume attempts to put the transportation problem in the context of regional land use and to offer guidance to those who make transportation improvements and to planners who approve and implement projects that need transportation services.