asphalt leveling course

asphalt leveling course

[′a‚sfȯlt ′lev·əl·iŋ ‚kȯrs]
(civil engineering)
A layer of an asphalt-aggregate mixture of variable thickness, used to eliminate irregularities in contour of an existing surface, prior to the placement of a superimposed layer.

asphalt leveling course

A course (of an asphalt-aggregate mixture) of variable thickness used to eliminate irregularities in contour of an existing surface, prior to the placement of a superimposed layer.