Subgrade Layer
Defined in the LouisianaDOT standard specifications. This is the agency’s own text, with the section it comes from.
Definitions are quoted from state-authored public specification books. This page carries no I-Code-derived terms.
Louisiana · LaDOTD
The surface layer of the subgrade, which requires treatment with an approved additive or asphalt.
Section 101 — General Information, Definitions, and Terms →