Preface. Part One: Context, Concepts and Characterization. Transportation System Components: An Internal Perspective. Transportation System Components: An External Perspective. The Customer and Level-of-Service. Networks. Transportation Systems: Key Points. Models and Frameworks. Modeling Concepts. Part Two: Freight Transportation. The Logistics System and Freight Level-of-Service. Railroads: Introductory Concepts. Railroad Operations. Railroad Terminals: P-MAKE Analysis to Predict Network Performance. Car Costs and Level-of-Service. The 'Kwon' Model - Power, Freight Car Fleet Size and Service Priorities: A Simulation Application. Measuring Origin-Destination Service and Other Rail Issues. Trucking. Ocean Shipping, International Freight and Freight Summary. Part Three: Traveler Transportation. Introduction. Commuting, Non-Work Travel and Safety, and Some Transportation History. Traveler Level-of-Service. Intelligent Transportation Systems. The Urban Transportation Planning Process and Real-Time Network Control. Traffic Signals and Other Control Measures. Deterministic Queuing. Urban Public Transportation. Intercity Traveler Transportation: Air. Intercity Traveler Transportation: Rail. Afterword.