title: Determine intermediate lat/long at regular time interval in a route
body: <p>I'm trying to determine a list of intermediate latitude &amp; longitude assuming a given road route from source to destination.</p>
  
  <p>For example - Suppose my source is Kansas City, MO &amp; destination is Chicago IL via via US-36 E and I-55 N. Assume i'm going to start now(with no traffic delays), how can i find the list of all lat/long at 1 hour intervals on this route ?</p>