In the video, taken from a camera at WMATA’s Rhode Island Avenue metro stop, several cars appear to hurtle sideways off the tracks, creating a pileup near the station.
No injuries were reported, and workers were able to plug a damaged car leaking sodium hydroxide, a chemical often used in detergents and other household products, and contain a separate ethanol leak, according to the Federal Railroad Administration.
“CSX appreciates the continued support of D.C. first responders as safety remains the company's first priority,” the company said in a statement, adding that CSX is monitoring air quality to “confirm there are no adverse effects.”
The company says it has re-railed 15 of the 16 derailed train cars, and plans to tow the final car away from the site.
ABC News' Jeffrey Cook and Stephanie Ebbs contributed to this report.