The California Zephyr passes a BNSF freight which has pulled onto the siding at West Tonville, Colorado.

BNSF 9122 (SD70ACe) leads a loaded coal west on the Brush Sub through West Tonville, Colorado.

a frosty BNSF 7474 (ES44DC) brings a freight through West Tonville as it runs west on the Brush Sub.

BNSF 8281 (ES44C4) shoves a freight eastbound on the Brush Sub through West Tonville, Colorado and past a waiting BNSF baretable train which is in the siding.

BNSF 8281 (ES44C4) shoves a freight eastbound on the Brush Sub through West Tonville, Colorado.

The California Zephyr runs through Arvada as it heads towards the Colorado Rocky Mountains on the Moffat Tunnel Sub.

The California Zephyr runs through the signals at West Tonville on the Brush Sub.

BNSF 7474 (ES44DC) leads a freight west on the Brush Sub towards Denver. It looks like it spent a day or two in deep snow in Nebraska.

The California Zephyr runs on the Brush Sub through West Tonville as it heads to Denver, Colorado.

Heavy snow along the Colorado Front Range has delayed the California Zephyr 6 train by nearly 10 hours, which meant running through West Tonville on a snowy morning instead of the middle of the ni... (more)

BNSF 5977 (ES44AC) outruns an intense thunderstorm that is raging over Keenesburg, Colorado.

The California Zephyr #5 train runs through West Tonville on the Brush Sub at sunrise.

Amtrak engine 184 (P42DC) kicks up the snow on a frigid morning as it runs towards Denver, Colorado on the Brush Sub.

The California Zephyr runs with a single engine towards Denver, Colorado on the Brush Sub.

The California Zephyr runs through West Tonville nearly an hour late as it heads to Denver, Colorado.