text: There is a `only_straight_or_right` restriction signage detected here, which means there is `no_left_turn` from this road. The road to the left is not a one way which means this restriction is valid. Can someone please verfiy whether this restriction is correct or not? 
  link to the map: http://mapbox.github.io/osm-navigation-map/#17.53/52.47168/13.32379/0.5
  Thanks! 