Introductory technical guidance for civil engineers, highway engineers and other professional engineers and construction managers interested in pavement design in seasonal frost conditions. Here is what is discussed: 1. General, 2. Definitions, 3. Frost-Susceptibility Classification, 4. Alternative Methods of Thickness Design, 5. Selection of Design Method, 6. Limited Subgrade Frost Penetration, 7. Reduced Subgrade Strength, 8. Use of State Highway Requirements, 9. Free-Draining Material Directly Beneath Bound Base or Surfacing Layer, 10. Other Granular Unbound Base Course, 11. Use of Fl and F2 Soils for Base Materials, 12. Filter or Drainage Requirements, 13. Stabilizers and Stabilized Layers, 14. Stabilization with Lime and with LCF, 15. Stabilization with Portland Cement, 16. Stabilization with Bitumen, 17. Subgrade Requirements, 18. Other Measures to Reduce Heave, 19. Pavement Cracking Associated with Frost Heave, 20. Control of Subgrade and Base Course Construction, 21. Base Course Construction, 22. Compaction, 23. Use of Insulation Materials in Pavements.