Cross Section
A roadway cross section is a vertical section of the ground and roadway at right angles to the centerline of the roadway, including all elements of a highway or street from the right-of-way line (lanes, shoulders, retaining walls, curbs, medians, pavement structure, roadside slopes, ditches, bike lanes and sidewalks).
Illustration: Cross Section
Photograph: Cross Section
A. Roadway
B. Surface Course
C. Pavement Marking, white solid line
D. Base
E. Bed
F. Base Course
G. Sub-base
H. Subgrade
I. Embankment
J. Earth Foundation
K. Pavement Marking, white broken line
TxDOT Visual Dictionary