TRAFFIC ENGINEERING, AN INTRODUCTION. SECOND EDITION

The author outlines the purpose of traffic engineering, why it is necessary and discusses detailed aspects of its study. An account is given of the methods available for several different types of traffic surveys. These include counting techniques used for the measurement of traffic flows, static and mobile methods of the measurement of speeds and delays, and the study of the use and effectiveness of parking schemes. A section on traffic control includes discussion on the use of one-way systems, segregation measures, markings and signs. The control of intersections is examined together with methods and effects of on-street and off-street parking. Methods of forecasting future travel demands such as the furness technique, and the 'gravity model' are explained and related to traffic designs together with other aspects of traffic flow. Current designs of car parks and intersections are discussed with examples of their application. Factors involved in accidents, including road layout, skid resistance and vehicle/pedestrian segregation are explained. Methods of monitoring and analysing accident records are discussed. A chapter is included on the function and design of street lighting. Basic statistical methods used in traffic engineering are outlined. (TRRL)