Creeping along at 12 MPH, this testing special is about to disappear into the west portal of the Moffat Tunnel. The train will stop at East Portal, wait for the tunnel to vent, and return west thr... (more)

After meeting the westbound California Zephyr, EMD starts testing its Tier-4 prototypes. UP's units are pulling east, but will soon throttle down and enter full dynamics. At that point, the SD70AC... (more)