Aashto Flexible Pavement Design Excel Spreadsheet May 2026

AASHTO 1993

Several professional Excel-based tools are available for designing flexible pavements based on the empirical method or the more modern AASHTOWare Pavement ME Design (Mechanistic-Empirical) methodology. These spreadsheets automate the complex iterations required to find the required Structural Number ( SNcap S cap N ) and final layer thicknesses. Recommended AASHTO Flexible Pavement Spreadsheets

• AASHTO. AASHTO Guide for Design of Pavement Structures (1993 Interim) — cite appropriately.
• Relevant textbooks and papers on pavement design and layer coefficients.
• (If using web sources for coefficients or examples, include standard citations.)

Step 3: Write the AASHTO Equation (Left Side minus Right Side = 0)

Part 6: Download and Use – What to Look For