title: How to get maxspeed from overpass for multilevel intersections/roads?
body: <p>How can I get speed limit for multilevel intersections/roads? When I go over the bridge or under the bridge, I can get wrong speed limit.</p>
  <p>I am using: <code>way[maxspeed](around:20, &lt;latitude&gt;, &lt;longitude&gt;)</code>, but I cannot specific <code>altitude</code>.</p>
  <p>I am using <code>Overpass API</code> by <code>OpenStreetMaps</code>.</p>