Dividing the project into sections
Section 3.4 of the Economic evaluation manual - volume 1 - 2008 (190 KB) explains that, for the purposes of economic evaluation the road should be divided into:
- Road sections over which the terrain, road width, road roughness, speed limit and traffic volume are essentially constant, and/or
- Intersections.
Data needs
For each road section and intersection the following data is collected as required:
| Discussion | Procedure (Chapter 5) |
Worksheet (Appendix 14) |
|
|---|---|---|---|
| Project location and layout | Section 3.4 (PDF 190 KB) | ||
| Traffic data | Section 3.4 (PDF 190 KB) | click here for multiple worksheets | |
| For congested networks or induced traffic | Appendix A11 (PDF 265 KB) | ||
| Travel time | Section 3.4 (PDF 190 KB) | click here for multiple worksheets | |
| Accident data | Section 3.4 (PDF 190 KB) | Use the crash analysis system (CAS) | |
