Officials from St. Louis County, St. Clair County and St. Louis city have signed a memo of understanding outlining plans to improve security on the MetroLink line.

St. Louis County Executive Steve Stenger, St. Clair County Chairman Mark Kern and St. Louis Mayor Lyda Krewson have forwarded the memo on to Bi-State Development President and CEO John Nations for his signature.

The officials met earlier this month with Nations and law enforcement personnel to discuss how to improve MetroLink passenger…