Massachusetts State Route 99 runs very briefly in Essex County. It goes from U.S. Rt. 1 south to the Essex/Suffolk County Line, near Melrose. MA St Rt 99 does not pass through any towns in Essex County. MA St Rt 99 is not multi-plexed in Essex County. MA St Rt 99 intersects the following highway in Essex County. U.S. Rt. 1, near Melrose.
