Regional transportation district Officials puzzled concerning link-up of 16th Street. Mall and light-rail system. RMN Ja 14, 1980 p.4 RTD will sponsor a parade saluting the history of transportation to celebrate beginning of mall construction. Historic Denver News v.10 #11 Ja 1980 p.2 Proposal to eliminate cash-boxes on buses questioned. RMN My 18, 1980 p.6 RTD lobbyist, Roger A. Walton's contract extended for 3 months. RMN Ag 29, 1980 p.5