title: How to get public transport time schedule from The Google Maps Directions API?
body: <p>I am trying to make public transport time schedule app using <strong>google maps directions api</strong>. </p>
  
  <p>Whats the best way to get <strong>all of the possible</strong> <strong>departure_time</strong>'s for a specific route from one place to another from a specific time?</p>
  
  <p>The problem is, the server is always responding with only one route for one specific time. How can I get all of the following departure_times? </p>
  
  <p>The worst way to do this is asking server every minute if there is some new travel link. But hey, its gonna take a lot of time!</p>
  
  <p>So I thought google might be providing some kind of transport schedules but I can't find any info on google developers webs. I saw only the way to give google schedule information with the help of General Transit Feed Specification (GTFS) <a href="https://developers.google.com/transit/gtfs-realtime/" rel="nofollow noreferrer">here</a> or <a href="https://developers.google.com/transit/gtfs/" rel="nofollow noreferrer">here</a>.</p>
  
  <p>But I can't find the way to get it from them.</p>