A train collision with a semi truck at the Sable Boulevard crossing has caused a disruption for travelers on RTD's A Line.

A Spelunker Thought She Found Trash in a Cave. It Was Actually Evidence of a Lost Civilization.

BOULDER, Colo. (AP) — Two freight trains collided and derailed in Boulder, Colorado, on Thursday night, damaging a bridge, spilling fuel and injuring two crew members, according to police.

Two trains have collided in Boulder, Colorado. Fuel spilled into a creek and two conductors have what police say are minor injuries.

The locomotive of a cargo train derailed in northern Colorado early Wednesday, spilling hundreds of gallons of diesel, authorities said. The Great Western Railway locomotive did not tip over when ...

This image provided by the Colorado State Patrol shows a truck caught under a bridge that collapsed during a train derailment across a major highway near Pueblo, Colo., Sunday, Oct. 15, 2023.

I took Amtrak's Winter Park Express train from Denver, Colorado, to the Winter Park ski resort. I thought the two-hour ride had pros and cons for skiers and snowboarders who want to skip driving ...