National ITS Architecture Acronyms

DD: Data Dictionary

DDE: Data Dictionary Entry

DFD: Data Flow Diagram

DGPS: Differential Global Positioning System

DHS: Department of Homeland Security

DMS: Dynamic Message Sign

DMV: Department of Motor Vehicles

DOJ: Department of Justice

DOT: Department of Transportation

DRE: Disaster Response and Evacuation

DSRC: Dedicated Short Range Communications

DTMF: Dual-Tone Multifrequency