Ribit - correct. Even if the info from 'other' traffic isn't being relayed for the 'traffic condition' report -YOUR info HAS to be relayed to the service in order to provide a traffic report pertinent to YOU.
Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...