2.3. Harmonization of international design standards 3. Developing design standards发展中的设计标准 3. 1. Scope of vehicle design standard 3. 2. Identify ing the need for a standard 3.3. Involvement ofkey stakeholders 4. Enforcement ofstandards标准的执行 4. 1. Legislative support 4.2. Type approval systems 4.3. Compliance approval for low-volume vehicle 4. 4. Conformity ofproduction 4.5. Vehicle recalls 4.6. In-service regulations 5. Implications for transport systems对交通运输系统的影响 5.1. Road safety 5.2. Environment Chapter26 Junction Design路口设计 1. Introduction引言 2. Junction type路口类型 3. Principals ofdesign设计原则2.3. Harmonization of international design standards 3. Developing design standards 发展中的设计标准 3.1. Scope of vehicle design standard 3.2. Identifying the need for a standard 3.3. Involvement of key stakeholders 4. Enforcement of standards 标准的执行 4.1. Legislative support 4.2. Type approval systems 4.3. Compliance approval for low-volume vehicles 4.4. Conformity of production 4.5. Vehicle recalls 4.6. In-service regulations 5. Implications for transport systems 对交通运输系统的影响 5.1. Road safety 5.2. Environment Chapter 26 Junction Design 路口设计 1. Introduction 引言 2. Junction type 路口类型 3. Principals of design 设计原则