Wang HeliportAvco - Lowell HeliportWestlandsBleacheryLowellPenham ParkChelmsford CenterChelmsford Center Historic DistrictSouth LowellTyler Park Historic DistrictWash ParkSouth Common Historic DistrictSouth Common ParkBoardwalk HeliportKilrausch PlaygroundBillerica Mills Historic DistrictPrinceton VillageChelmsfordOaklandsMerrimack-Middle Street Historic DistrictWashington Square Historic DistrictNorth BillericaBoston and Lowell Railroad MemorialCity Hall Historic DistrictBelvidereLowell National Historical ParkKerouac CommemorativeEastern Canal ParkBoarding House ParkRobbins HillWamesitCentralvillePawtucketvilleRiver PinesNorth ChelmsfordSouth ChelmsfordWest ChelmsfordNorth TewksburyDracutWard Corner