                 mark2.useGoogleDirections = false;
                 # ...and tell the user that nothing was found
                 _this.displayDirectionsWarning(status)
+            delete @.googleRoueSearchesInProgresss[routeRequestId]
         )
 
     displayDirectionsWarning: (status) ->


        # finally ask google
        _this = @
        @.directionsService.route(request, (response, status) ->
            if status == google.maps.DirectionsStatus.OK
                # write result to local cache

        @.redraw()

    isValid: ->
        # check if all google directions are already loaded
        if Object.keys(@.googleRoueSearchesInProgresss).length
            return false;

        if @.mainMarkers.length > 2
            return true;

