Castle Rock, Colo., photo taken November 22, 2004- Newly started bus service, Front Range Express or FREX, at the depot in Castle Rock. FREX is allowing residents of Castle Rock and as far south as Colorado Springs to ride up to the DTC and downtown Denve
Castle Rock, Colo., photo taken November 22, 2004- Newly started bus service, Front Range Express or FREX, at the depot in Castle Rock. FREX is allowing residents of Castle Rock and as far south as Colorado Springs to ride up to the DTC and downtown Denve, [431375549] . Denver Public Library Digital Collections, accessed 20/07/2026, https://digital.denverlibrary.org/nodes/view/932006