8N1 - RESOLUTION APPROVING A TRI-PARTY AGREEMENT BETWEEN MIAMI-DADE COUNTY, THE STATE OF FLORIDA DEPARTMENT OF TRANSPORTATION AND THE SOUTH FLORIDA REGIONAL TRANSPORTATION AUTHORITY FOR THE INSTALLATION OF RAILROAD CROSSING TRAFFIC CONTROL DEVICES AT CROSSING NO. 628404J, ON NW 30TH AVENUE BETWEEN NW 22ND STREET AND NW 23RD TERRACE; AND AUTHORIZING THE COUNTY MAYOR OR COUNTY MAYOR'S DESIGNEE TO EXECUTE SAME AND EXERCISE PROVISIONS CONTAINED THEREIN, INCLUDING CANCELLATION AND RENEWAL(Transportation and Public Works)