Follow CBSDFW.COM: Facebook | Twitter

DENTON (CBSDFW) – The Denton County Transportation Authority conducted a full-scale, mock disaster drill Sunday.

According to Denton County officials, the exercise simulated a DCTA A-train incident with corresponding responses by city, medical, police, fire and DCTA contractors, resources and personnel.

DCTA is required to conduct a full-scale mock disaster drill once every two years to meet Federal Railroad Administration regulations since the agency operates a commuter rail line.

Organizers said the exercise was designed to establish a learning environment for all participating organizations to practice emergency response plans, policies and procedures.

The City of Lewisville, Medical Center of Lewisville, Lewisville Fire and Police departments, and the Flower Mound Fire department also took part in the drill.

(©2016 CBS Local Media, a division of CBS Radio Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.)