Massachusetts State Route 125 runs briefly in Northeastern Middlesex County. It runs from Interstate 93, near North Wilmington to the Middlesex/Essex County Line. MA St Rt 125 does not pass through any towns in Middlesex County. MA St Rt 125 is not multi-plexed in Middlesex County. MA St Rt 125 intersects the following highway in Middlesex County. Interstate 93, near North Wilmington.
