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Traffic Signs Manual 2009
Chapter 8
CONTENTS
| D1 | INTRODUCTION | 7 |
| D1.1 | Background | 7 |
| D1.2 | Structure and scope of the document | 7 |
| D1.3 | Legal status | 8 |
| D1.4 | Concepts and objectives | 8 |
| D1.5 | Primary definitions | 9 |
| D1.6 | Standard works and relaxations | 9 |
| D2 | PLANNING THE WORKS | 11 |
| D2.1 | General principles of temporary traffic management design | 11 |
| D2.2 | Roles and responsibilities | 13 |
| D2.3 | Design brief | 13 |
| D2.4 | Highway authority | 13 |
| D2.5 | Adjoining highway authorities | 14 |
| D2.6 | Emergency services | 14 |
| D2.7 | Statutory undertakers | 15 |
| D2.8 | Site information | 15 |
| D2.9 | Programming | 16 |
| D2.10 | Traffic disruption | 16 |
| D2.11 | Basic considerations | 16 |
| D2.12 | Detailed traffic management design | 17 |
| D2.13 | Post-design review | 17 |
| D2.14 | Health and safety issues | 17 |
| D2.15 | Documentation | 18 |
| D3 | DESIGN CRITERIA | 19 |
| D3.1 | General | 19 |
| D3.2 | Safety clearances | 19 |
| D3.3 | Lane widths | 24 |
| D3.4 | Lane capacity | 25 |
| D3.5 | Length of works | 26 |
| D3.6 | Safe taper positions | 26 |
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