The rating upgrade on Franklin, Mass.' bonds is based on the following improving factors: An expanding tax base that benefits from its location along the high-technology Interstate 495 corridor and accessibility by commuter rail to Boston, Mass.; Above-average income levels and increasing median housing values; Easily manageable debt position; and Good financial performance. Franklin is located about 28 miles southwest of Boston. Equidistant from Boston, Worcester and Providence, the town continues to experience strong growth, especially to its residential base. The town's location along the rapidly developing Interstate 495 high-technology corridor, as well as affordable housing, has attracted residents who work in the area or commute into Boston. The town's population (currently 30,000) has increased 33% since 1990. The strong