This study examines the use of telecommuting on a national and state level. It reviews the issues commonly associated with telecommuting and the approaches employed to address these. The potential benefits of telecommuting for employers, employees, and the transportation system are outlined. Telecommuting programs in Houstin, Dallas and Austin are summarized. Preliminary sketch planning tools are presented for assessing the potential for telecommuting in major Texas cities and for analyzing the impacts on the transportation system. The case studies and work activities for the second phase of the study are also presented.