The eastbound California Zephyr passes by the seldom-used wye that still exists at East Portal just east of the Moffat Tunnel. The east leg of the wye (right side of the wye) used to be part of the mainline that ran up and over Rollins Pass. Once the Moffat Tunnel was completed and opened, the old mainline was torn out and just this leg of the wye remains from the portion that ran over Rollins Pass.
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