CONTENT: Acknowledgments for the Fourth Edition vii 1 Introduction 1 2 Definitions 3 3 History of Roads 11 4 The Management of Roads 39 5 Road Needs 47 6 Road Location 57 7 Residential Streets 77 8 Pavement Materials 97 9 Water in Pavements 171 10 Stabilisation 189 11 Pavement Design 201 12 Bituminous Pavements 255 13 Drainage 295 14 Pavement Performance 307 15 Bridges 355 16 Driver Behaviour 377 17 Traffic Flow and Capacity 407 18 Speeds 453 19 Road Geometry 481 20 Intersections 509 21 Traffic Signs 545 22 Pavement Markings 561 23 Traffic Signals 573 24 Lighting 609 25 Construction 625 26 Maintenance 649 27 Road Vehicles 665 28 Safety 703 29 Road User Costs and Charges 739 30 Road Transport 763 31 Transport Planning 791 32 Environmental Factors 819 33 Peripheral Technologies 843 References 869 Index 883