This is the Third Edition of a recognized standard in transportation engineering, covering important aspects of planning, design, operation, management, and regulation. The first three parts of this text/reference deal with planning and other nonengineering aspects of transportation, covering the transportation system of the United States, operation and control of the vehicles, and the planning process, including management and finance issues. The last three parts cover the design of land, air, and water transportation facilities, including streets and highways, railways, guideway systems, land transportation terminals, pipelines, airports, harbors and ports.