DAG-TM
Distributed Air-Ground Traffic Management
DDA
Disability Discrimination Act
DG TREN
Directorate-General for Transport and Energy
DGPS
Differential Global Positioning System
DIS
Driver Information Systems
DLCS
Double-Layer Carbon Supercapacitors
DMRB
Design Manual for Roads and Bridges
DNS
Direct Numerical Simulation
DoRIS
Donau River Information Services
DPTAC
Disabled Persons Transport Advisory Committee