Abstract
There were some cases which were reported as attempts of workplace mobility management (MM) in Japan. Although these cases did not include aggregative effects of MM such as increasing of passengers on public transport because there were few numbers of participants in these cases. It was neither unreported that comparative analyses on effects of several MM measures. These were problems to implement MM as political measures. This study conducted large scale workplace MM, which was targeted at 4,400 employees working on Uji city, which were used several communication measures. Results of traffic analyses indicated that large scale workplace MM will be effective to reduce car traffic and to promote to use public transport.