Maine State Of--highway Maint Lot, Oakfield Smyrna Mills, ME 04780 Phone : (207) 757-8390 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools Maine State Of--transportation Dept, Highway Maintenance Lots Oakfield, ME 04763 Phone : (207) 757-8390 Business Category Government Offices-State Government Offices State & Local Government Offices & Public Schools