MILE POST by Metro Digital Resources Librarian • April 14, 2016 A sign along the railroad (or highway) indicating the number of miles from a reference point. On the Southern Pacific, miles are from San Francisco, on Metrolink, they are from Los Angeles. Abbreviated MP or M.P. 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