sentences:  Claire Saltonstall Bikeway
  
  The Claire Saltonstall Bikeway, also known as the Boston to Cape Cod Bikeway, is a 135-mile bikeway marked as Bike Route 1 that starts on the Charles River Bike Path near Boston University in Boston, Massachusetts and winds along Boston's Emerald Necklace, using mostly back roads and bikepaths with occasional stretches of secondary highways.It ends in Provincetown, Massachusetts.