| Leading Trail project or group | Community | Primary Advocate Information Source | Secondary Source or Sponsor | Major intersecting trail or trails |
| NorthPoint [ex B&M RR yard] | Boston/Cambridge | http://www.pathfriends.org/scp/ | City of Cambridge, North Point LLC. | Charles River Esplanade |
| Community Path | Somerville | http://www.pathfriends.org/ | City of Somerville | |
| Red Line Linear Park | Cambridge | City of Cambridge | http://www.pathfriends.org/bemis/ | |
| Fitchburg Cutoff Rail Trail | Cambridge/Belmont | http://www.pathfriends.org/fitchcut/ | http://www.friendsofalewifereservation.org/ | http://minutemanbikeway.org/ |
| Wayside Trail | Belmont | none known to exist | ||
| Wayside Trail | Waltham | http://www.massbike.org/bikeways/wayside/ | ||
| Wayside Trail | Weston | http://www.massbike.org/bikeways/wayside/ | ||
| Wayside Trail | Wayland | http://www.massbike.org/bikeways/wayside/ | ||
| Wayside Trail | Sudbury | http://www.massbike.org/bikeways/wayside/ | http://www.bfrt.org | |
| Wayside Trail | Hudson | http://www.massbike.org/bikeways/wayside/ | http://www.arrtinc.org | |
| Wayside Trail | Berlin | http://www.massbike.org/bikeways/wayside/ | ||
| Clinton Greenway Consv. Trust | Clinton | none known to exist | ||
| Wachusett Greenways | West Boylston | http://www.wachusettgreenways.org/ | ||
| Wachusett Greenways | Holden | http://www.wachusettgreenways.org/ | ||
| Wachusett Greenways | Rutland | http://www.wachusettgreenways.org/ | http://www.midstatetrail.org/ | |
| Wachusett Greenways | Barre | http://www.wachusettgreenways.org/ | ||
| East Quabbin Land Trust | New Braintree | http://www.eqlt.org | http://www.chc-llc.org | |
| East Quabbin Land Trust | Hardwick | http://www.eqlt.org | http://www.chc-llc.org | |
| Town of Ware | Ware | none known to exist | ||
| Town of Palmer | Palmer | none known to exist | ||
| Belchertown Land Trust | Belchertown | http://www.belchertownlandtrust.org/ | http://amcberkshire.org/trails/mmtrail | |
| Norwottuck Rail Trail/Mass DCR | Norwottuck | http://www.mass.gov/dcr/parks/central/nwrt.htm | http://www.hadleyonline.com/railtrail/ | |
| Friends of Northampton Trails & Greenways | Northampton | http://www.fntg.net | http://www.newhaven-and-northampton.org/ | |
| Overview sites: | http://www.masscentralrailtrail.org | http://www.greenway.org | ||