Route 38 is a state highway in Massachusetts, United States, running 27 miles (44 km.) from Sullivan Square in Boston north via Lowell to the state line in Dracut, where it continues as New Hampshire Route 38 in Pelham, New Hampshire.
Massachusetts | Massachusetts Institute of Technology | Cambridge, Massachusetts | Massachusetts House of Representatives | Massachusetts General Hospital | Lowell, Massachusetts | Worcester, Massachusetts | University of Massachusetts Amherst | Andover, Massachusetts | Springfield, Massachusetts | Salem, Massachusetts | Medford, Massachusetts | Brookline, Massachusetts | U.S. Route 66 | Newton, Massachusetts | U.S. Route 1 | Williamstown, Massachusetts | Somerville, Massachusetts | Lawrence, Massachusetts | U.S. Route 6 | U.S. Route 101 | Newburyport, Massachusetts | Middlesex County, Massachusetts | Lexington, Massachusetts | Waltham, Massachusetts | Route 66 | Governor of Massachusetts | U.S. Route 30 | Provincetown, Massachusetts | Pittsfield, Massachusetts |
Route 133 begins at the junction of Route 38 and Route 110 in Lowell, where Route 110 begins a concurrency with Route 38 northbound.