Phase III construction adds new SPP infrastructure – security gates, fencing, surveillance cameras – to the remaining unmodified MetroLink stations, including: Lambert Airport stations, North Hanley, UMSL North, UMSL South, Rock Road, Wellston, Shrewsbury-Lansdowne I-44, Sunnen, Maplewood-Manchester, Brentwood I-64, Richmond Heights, Clayton, Forsyth, University City-Big Bend, Skinker, Stadium, 8th & Pine, Convention Center, Laclede’s Landing, East Riverfront, 5th & Missouri, Fairview Heights, Belleville, Swansea, Memorial Hospital, Shiloh-Scott.