Trip Planner Depart at Start Location e.g. Rubey Park End Location e.g. Cemetery Lane & Highway 82 Depart at Arrive by Time Date Castle Maroon (CM) | City of Aspen Free Shuttles Provides service from Rubey Park Transit Center to Maroon Creek Road and Castle Creek Road serving Aspen Valley Hospital, Aspen Highlands Village and the Aspen Recreation Center. Fare-Free View Live CM Bus Map Castle Maroon Schedule Castle Maroon Route Map Download City of Aspen Free Shuttles PDF Schedule