Chapter 1 Introduction 1.1 Introduction to roadway transportation 1.2 Introduction to road development in China 1.3 Classifications and technicaI standards of roads 1.3.1 Classifications of roads 1.3.2 Function systems and classifications of roads 1.3.3 Control elements of road design 1.3.4 Understanding and application of technical standards 1.4 Procedures of road survey and design Chapter 2 Horizontal Aligmnent Design 2.1 Introduction 2.1.1 Elements of horizontal alignment 2.2 Tangent 2.2.1 Minimum length of tangents 2.2.2 Maximum length of tangents 2.3 Circular curve 2.3.1 Radius of circular curves 2.3.2 Calculation of the circular curve 2.4 Transition curve 2.4.1 Form of transition curves 2.4.2 Length of the transition curve 2.4.3 Calculation of the transition curve 2.4.4 Calculation of horizontal curves with the spiral 2.5 Principle of horizontal alignment design 2.6 Method of horizontal alignment design 2.6.1 Tangent design method 2.6.2 Curve design method 2.7 Combination of horizontal alignment elements 2.7.1 Combination of the tangent and the curve 2.7.2 Combination of curves 2.8 Deliverables of horizontal alignment design 2.8.1 Table of tangents��curves��and intersection angles 2.8.2 Table of coordinates by stakes 2.8.3 Chart of horizontal alignment Chapter 3 Vertical Ali��nt DesigIl 3.1 Introduction 3.2 Grade design 3.2.1 Grade design standards 3.2.2 Requirement of grade design 3.3 Vertical alignment design 3.3.1 Concepts related to vertical alignment design 3.3.2 Design standard of the vertical curve 3.3.3 General requirements for vertical aligmnent design 3.3.4 Design and calculation of the vertical alignment 3.4 am ination of horizontal and vertical alignments 3.4.1 Principles of the combination of horizontal and vertical alignments 3.4.2 Types of combination of horizontal and vertical alignments 3.4.3 Requirements for the combination 3.5 Design method of the vertical alignment 3.5.1 Requirements of the vertical alignment design