These are the Man-made disasters in the Gorge that are most likely:

• Railway – There is a train through the Gorge approximately every 30 minutes.  Train wrecks involving hazardous chemicals, fires, or passenger injury.
• Highway – There are thousands of trucks traveling through the Gorge every day.  Many of these trucks carry hazardous materials.
• Waterway– Many barges travel up and down the Columbia River.  Some carry hazardous materials.  There is also the potential for barge/bridge accidents.