title: calculating curvature on routes - Google maps
body: <p>There is an API for getting heatmap and gradient on the Google Maps API.</p>
  
  <p>But is there any way to calculate curvature of the road of certain route on Google Maps?</p>
  
  <p>Like this one in here: <a href="http://roadcurvature.com/" rel="nofollow noreferrer">roadcurvature.com</a></p>