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Electronic Logging Devices

An electronic logging device or ELD attaches to a commercial motor vehicle (CMV) to synchronize with the engine and record vehicle movements. An ELD automatically and accurately records all driving activities throughout the day. It also records driving time and monitors important information, such as location, ignition and power status, engine hours, vehicle movements, and total number of miles driven in each jurisdiction and state.

ELDs also detect and report any malfunctions, faults, or maintenance issues in vehicles.

What is an ELD?

Please note: Air-mile does not equal road mile. 100 air miles is the equivalent of 115 road miles.

ELD Questions

Contact TPGA at 800-325-7427

Contact NPGA at 202-466-7200

Contact FMCSA at or call 800-832-5660 for more information.

Who Must Comply?

 The ELD rule requires interstate commercial drivers who are required to prepare hours of service (HOS) records of duty status (RODS) use electronic logging devices to track their hours on MY 2000 engine or newer commercial motor vehicles.

Interstate compliance deadline: 12/17/2017

Intrastate compliance deadline:



ELD exemptions: drivers holding a commercial driver's license (CDL) remaining with a 100 mile air-radius of their home base, and non-CDL freight drivers remaining within a 150 mile air-radius of their home base may still use timecards. Outside of those areas, CDL drivers can use a paper logbook for RODS data for not more than eight days during a 30-day period. Vehicles with engines manufactured before model year 2000 do not need ELDs either.


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