the growth concept emphasises coordination of land use and transport in order to preserve the region s locational advantage as a relatively uncongested hub for trade it also states that the preferred form of regional growth is to contain growth within a carefully managed urban growth boundary ugb a landuse planning line to protect farms and forests from urban sprawl and orient growth in the form of infill and redevelopment with higher density where it is appropriate the ugb has been expanded more than times since it was first drawn up in accordance with forecasts of land supply needs in its quality as an mpo metro is also tasked with preparing a regional transportation plan rtp which evaluates federal state and local funding for transport improvements estimates project costs and proposes funding strategies