RFTA buses connect Aspen with the Highlands, Snowmass and Buttermilk via free shuttles. The VelociRFTA serves the down-valley towns of Basalt ($4, 25 minutes), Carbondale ($6, 45 minutes) and Glenwood Springs ($7, one hour). Exact change required; you can also purchase discounted tickets at vending machines at certain stops. Most buses have ski/bike racks; bikes are an additional $2.
The Aspen depot is located at Durant Ave and Mill St at the Rubey Park Transit Center.