Roads and Bridges Excavation and Construction:
- Preparing Foundations embankments
- Constructing roadway embankments
Benching for side-hill embankments
Constructing dikes, ramps, mounds, and berms
- Backfilling subexcavated areas, holes, pits, and other depressions
- Conserved topsoil that is suitable for growth of grass, cover crops, or native vegetation.
Source: U.S. Dept. of Transportation, Federal Highway Administration (March 18, 2017), “STANDARD SPECIFICATIONS FOR CONSTRUCTION OF ROADS AND BRIDGES ON FEDERAL HIGHWAY PROJECTS” https://flh.fhwa.dot.gov/resources/specs/fp-14/fp14.pdf