The Institute for Local Self Reliance is a great source of information about what communities throughout the US are doing to take local control of their Internet access.
The Broadband Communities magazine is another great source of current information abut what communities around the world are doing and they have written this primer entitled
There are a number of community networks in Massachusetts:
Westfield has Whip City Fiber a muinicipally run network in a city that also has Comcast.
Norwood has Norwood Light a community operated network in a town that has both Comcast and Verizon as alternatives.
Leverett, a small town in Western Mass, had no broadband service until they built LeverettNet