When to Pave a Gravel Road How to Evaluate Whether or Not to Pave a Gravel Road (When to Pave a Gravel Road) Rodger Young, P.E. Director of Technical Services.
Shongtao Dai, Ph.D, PE Office of Materials Minnesota Department of Transportation 6/24/08 Kevin Erb University of Wisconsin Extension 9/22/08 Mn/DOT Office.