NO CLEARANCE by Metro Digital Resources Librarian • April 14, 2016 Locations within Heavy Rail where no clearance exists between fixed wayside structures and moving vehicles operating on tracks. Read more → 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...