Traffic Monitoring Estimation Guidelines - Āpōpō

March 2022

Traffic estimation is important, feeding into several different aspects of transportation planning and asset and network management.

These guidelines are to help the asset manager seeking a process to follow to assign estimates to their network and some of the concepts involved. It is not a comprehensive guideline to assist the experienced practitioner nor cover more advanced and complex techniques that would be justified on a large, complex road network.

These guidelines include a 10-step estimation process:
- Step 1: Update database with the latest counts
- Step 2: New sections / sections with no estimate
- Step 3: Establishing road types and traffic groups
- Step 4: Estimating sections with counts since the last estimate
- Step 5: Estimating sections with adjacent counts
- Step 6: Estimating sections with no recent or adjacent counts
- Step 7: Traffic mix
- Step 8: Auditing
- Step 9: Generating or Reviewing Links
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