WFAA
FORT WORTH, Texas — A new computer-based GPS and traffic modeling system is helping local ambulance crews navigate the ever-changing terrain of Tarrant County roads.
The MARVLIS system is starting to be used by MedStar crews in the field.
Right now, a handful of supervisor units use the system to help direct ambulance crews around construction delays, and also roads which may have bad traffic.
Full story: Technology helps ambulance crews battle construction, traffic