CADT is Commercial Average Daily Traffic. RMA is Rubber Modified Asphalt. EL, EML, and EMH refer to mix design. The mixture number (2–5) corresponds to gradation, where 2 is the base mix and 5 is the top mix.
For each CADT range in this case and a PASER for a fair surface the cost estimate is $70–$100 per ton and the performance is estimated to extend surface life 15 years.
CADT 0–500
Recommended Maintenance Method for RMA
- Rubber modified surface (2” 5EL)
CADT 500–1,000
Recommended Maintenance Method for RMA
- Rubber modified surface (more than 2” 5EL)
CADT 1,000–3,400
Recommended Maintenance Method for RMA
- Rubber modified surface (more than 2” 5EML)
CADT >3,400
Recommended Maintenance Method for RMA
- Rubber modified surface (more than 2” 5EMH)