The Cargo Decoder app is an application designed to assist emergency responders and hazmat personnel in their work. With it, you can quickly check for the presence of various materials and hazards on roads or waterways. You can also use it to get more information on the cargo trucks in front of you on the highway.

The Cargo Decoder app will automatically check for and identify different materials that might be present on the truck. You can use the app to check for toxic compounds, explosive chemicals, and biological materials. 

The app also has built-in reference information that is useful to emergency personnel, hazmat personnel, and citizens.