Minnesota Department of Transportation

511 Travel Info

Grading and Base Videos

Asphalt mix on a towel

Grading and Base Videos

Videos are intended to be a proximate guide only and may be outdated as per the current procedure and specification. Comply with current specifications and Grading and Base Manual.


  • Relative Moisture Test: wmv
  • Placing Aggregate Base: wmv
  • Penetration Index Method (DCP): wmv
  • Compaction by Deflection Method (Zorn LWD): wmv