Middlesex | Pennsylvania Turnpike | Middlesex County, Massachusetts | Middlesex County | New Jersey Turnpike | Middlesex Hospital | Middlesex University | Middlesex County, New Jersey | Massachusetts Turnpike | Great Western Turnpike | Middlesex County, Ontario | Connecticut Turnpike | Will Rogers Turnpike | Florida's Turnpike | Westminster, Middlesex County, Ontario | Oklahoma Turnpike Authority | Ohio Turnpike | Newburgh and Cochecton Turnpike | Muskogee Turnpike | Berlin Turnpike | Abandoned Pennsylvania Turnpike | Woodsboro and Frederick Turnpike Company Tollhouse | Turnpike Lane | Southwest Middlesex, Ontario | Middlesex (UK Parliament constituency) | Middlesex Regiment | Middlesex Cricket Board | Lionel Cranfield, 1st Earl of Middlesex | Indian Nation Turnpike | Delaware Turnpike |
It crosses the old Middlesex Turnpike before arcing northward to meet Route 3A just south of the Billerica town line.