The California Zephyr 5 train leaves the Denver skyline behind (in the upper right) and passes through Leyden, Colorado on its way up the Moffat Tunnel Sub.
Tower A5. While no longer manned, Tower A5 is still used for maintenance of way by Metra. On this particular day, the venerable tower witnesses the passage of Amtrak Hiawatha train #338, he... (more)