Massachusetts State Route 109 is an east-west highway in Northern Norfolk County. It runs from near Boston, to near Milford. MA St Rt 109 passes through the following towns in Norfolk County. Westwood Medfield MA St Rt 109 is not multi-plexed in Norfolk County. MA St Rt 109 intersects the following highways in Norfolk County. Interstate 95, near Dedham. Massachusetts State Route 128, near Dedham. Massachusetts State Route 27, near Medfield. Massachusetts State Route 115, near Mills. Massachusetts State Route 126, near West Medway.
