Maine State Route 99 is an east-west highway in East-Central York County. It runs from Maine State Route 109, near Sanford, to Maine State Route 9A, at Kennebunk. ME St Rt 99 passes through the following town in York County. Kennebunk ME St Rt 99 is not multi-plexed in York County. ME St Rt 99 crosses the following highways in York County. Maine State Route 109, near Sanford. Interstate 95, (Maine Turnpike), near Kennebunk.
A guide marker on a ramp from NB I-95/Maine Turnpike.