The Solomon Foundation convened a group of advocates for parks and active transportation, to discuss the completion of a network of walking and cycling trails across metropolitan Boston. Based on the input from those meetings, Professor Peter Furth of Northeastern University completed a Green Routes Network Plan, including a region-wide trails map, as an advocacy tool.
The Metropolitan Area Planning Council (MAPC) has since published its regional trails map with support from the Solomon Foundation. The Livable Streets Alliance has taken a lead in advocating for a GreenRoutes network. They are in the early stages of organizing a working alliance to press for progress.