The frequently asked questions page is updated regularly
The Mechanistic-Empirical Pavement Design Guide (M-EPDG) is a new product resulting from the efforts initiated by the AASHTO Joint Task Force on Pavements and the National Cooperative Highway Research Program (NCHRP) to enhance and improve existing pavement design procedures. The M-EPDG will result in transitioning from existing empirical-based pavement design procedures to mechanistic-empirical based procedures that will combine the strengths of advanced analytical modeling capabilities and field performance observed in “real-world” pavements > more
A patch is available that fixes a "server busy" error that was encountered when changing the selections on the "Print Selection" screen.
For DARWin 3.01 users who wish to upgrade to the DARWin 3.1 softlock system, a form is now available from this site.
Applied Research Associates, Inc.is the developer and distributor of DARWin.