Local Bicycle Advocacy Groups:
Carrboro Bicycle Coalition (BikeCarrboro): http://bikecarrboro.com
Bicycle Alliance of Chapel Hill: http://bikechapelhill.com/
State and National Bicycle and Bicycle Advocacy groups:
BikeWalk NC: https://www.bikewalknc.org/
Carolinas Cycling: http://carolinascycling.org/
League of American Bicyclists: https://bikeleague.org/
People for Bikes: https://peopleforbikes.org/