func (connector *SIRIVehicleMonitoringRequestBroadcaster) handleProgressBetweenStops(v *model.Vehicle) *siri.SIRIProgressBetweenStops {
    var dist = v.LinkDistance
    var percent = v.Percentage
    if dist != 0. || percent != 0. {
        progressBetweenStops := &siri.SIRIProgressBetweenStops{