公路交通安全设施设计细则(JTG/T D81—2017)(EN)

1 General Provisions………………………………………………… 1
2 Design Notation …………………………………………………7
2. 1 Notations for barrier design …………………………………………………7
2. 2 Notation for visual guiding devices design …………………………………………………10
2. 3 Notations for fencing design …………………………………………………11
2. 4 Notations for netting design …………………………………………………12
2. 5 Symbols for anti-glare devices design …………………………………………………14
3 Overall Design …………………………………………………15
3. 1 General …………………………………………………15
3. 2 Conceptual analysis on the project and road network …………………………………………………18
3. 3 Design objectives …………………………………………………19
3. 4 Scope of application …………………………………………………21
3. 5 Structural design standard …………………………………………………23
3. 6 Design coordination and interface demarcation …………………………………………………33
4 Traffic Signs …………………………………………………35
4. 1 General …………………………………………………35
4. 2 Provision principles …………………………………………………38
4. 3 Sign face design …………………………………………………41
4. 4 Materials …………………………………………………45
4. 5 Support forms and structures …………………………………………………50
5 Road Markings …………………………………………………53
5. 1 General …………………………………………………53
5. 2 Provision principles …………………………………………………54
5. 3 Material selection …………………………………………………66