A map shows the planned Rocky Mountain Greenway. Phase two, connecting Rocky Flats National Wildlife Refuge to Lyons, is in progress. Phase three will connect Lyons to Rocky Mountain National Park. Courtesy: Jefferson CountyA map shows the planned Rocky Mountain Greenway. Courtesy: Jefferson CountyOn Monday, March 17, the Lyons Board of Trustees voted 6-1 to oppose the Rocky Mountain Greenway Trail, a regional multi-use trail system that will eventually connect Rocky Mountain Arsenal, Two Ponds and Rocky Flats with Rocky Mountain National Park.