As ominous storm clouds lurk above, a BNSF special Q train with 3 Boeing 373 fuselages runs east on the Moffat Tunnel Sub through Hudson, Colorado.

Hudson Terminal Railroad's veteran #646 (Alco S1) heads into the yard to pull out a string of oil cans.

Hudson Terminal Railroad's #4027 (RS4TC) moves a cut of oil cans in the yard in Hudson, Colorado.

Hudson Terminal Railroad's SD40-2 motors build a stack train in the terminal at Hudson, Colorado.

Norfolk Southern #4130 (AC44C6M) leads a long oil can train through Hudson, Colorado as it heads west on the Brush Sub.

BNSF 4251 (ES44C4) runs west on the Brush Sub through Hudson, Colorado.

Hudson Terminal Railroad's Alco S1 works a cut of oil cans in the large yard in Hudson, Colorado.

BNSF 4251 (ES44C4) runs west on the Brush Sub out of Hudson, Colorado as it heads to Denver.

BNSF 4251 (ES44C4) leads a Z Train west on the Brush Sub through Hudson, Colorado.

Hudson Terminal Railroad's #646 (Alco S1) moves a cut of hoppers towards the main track to be picked up by the BNSF at the terminal in Hudson, Colorado.

Hudson Terminal Railroad's veteran Alco S1 moves a cut of oil can in the large yard in Hudson, Colorado.

The yard team helps Hudson Terminal Railroad's 646 (Alco S1) change tracks at Hudson, Colorado.

BNSF 3171 (GP25) and mate run light in the terminal at Hudson, Colorado.

BNSF 6126 (ES44AC) runs under a county road west of Hudson, Colorado.

BNSF 3299 (ET44C4) runs through Hudson, Colorado as it runs east on the Brush Sub.