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This handbook, which was developed in recognition of the need for the compilation and dissemination of information on advanced traffic control systems, presents the basic principles for the planning, design, and implementation of such systems for urban streets and freeways. The presentation concept and organization of this handbook is developed from the viewpoint of systems engineering. Traffic control studies are described, and traffic control and surveillance concepts are reviewed. Hardware components are outlined, and computer concepts, and communication concepts are stated. Local and central controllers are described, as well as display, television and driver information systems. Available systems technology and candidate system definition, evaluation and implementation are also covered. The management of traffic control systems is discussed.

Forensic Evidence: Science and the Criminal Law is a comprehensive analysis of the most recent state and federal court decisions addressing the use of forensic science in the investigation and trial of criminal cases. Each case provides a complete overview and analysis of the relevant scientific issues debated by the court in that particular case.