ROADBED by Metro Digital Resources Librarian • April 14, 2016 1. In railroad construction, the foundation on which the ballast and track rests. 2. In highway construction, the graded portion of a highway within top and side slopes, prepared as a foundation for the pavement structure and shoulder. (TRB) Share:Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to email this to a friend (Opens in new window)Click to print (Opens in new window)Like this:Like Loading... Related
