EDR

• Election Day Registration, also known as "same-day voter registration"
• Event Data Recorder, a device installed in automobiles, trucks, planes, locomotives, or ships to record crash data
• EDR Desalination, an electrodialysis process
• European Drawer Rack, a part of the International Space Station
• Electrodermal response, a method of measuring the electrical resistance of the skin
• Emergency Detour Route, a pre-established detour system for major highways in Ontario
• Ems Dollart Region, an INTERREG-IV organisation on the Dutch/German Border
• Enhanced Data Rate, a feature of the Bluetooth protocol
• Equivalence of Direct Radiation (EDR), a standardized comparison method for space-heating radiators
• Experimenterende Danske Radioamatører, an amateur radio organization in Denmark

See also

• For devices similar to Event Data Recorder, see Flight data recorder (airplanes) or Event Recorder (trains)