The Seacoast Model is a four step Regional Travel Demand Model with an additional module to summarize results and assist with tabulating emissions totals. The Seacoast Regional Travel Demand Model (“model”) is a set of technical tools developed by Resource Systems Group for the Rockingham Planning Commission (RPC) and Strafford Regional Planning Commission (SRPC) to assist in the long and short range planning, prioritization, and coordination of transportation projects in the Portsmouth-Kittery and Dover-Rochester metropolitan areas, as well as portions of the Boston Urbanized Area, in New Hampshire.