Making the HOS Ruling Work for You

Did you know that the ELD (Electronic Logging Device) mandate has a grandfather provision for e-logging solutions installed before December 16th 2017? This provision applies to solutions known as Automatic On-Board Recording Devices or AOBRDs. If you’re looking for more flexibility and control, you do have options.

Here’s a comparison chart:

E-log options under the DOT mandate:



Stands for:
  • Automatic On-Board Recording Device
  • Current e-log regulations
  • Electronic Logging Device
  • Future e-log regulations
Now through December 16th, 2019 if installed before December 18th 2017
Mandatory after December 18th, 2017 unless an AOBRD is installed before that date.
Connection to Engine Control Module (ECM):
AOBRDs must be synchronized with the movement of the vehicle, but do not have to be synchronized with the ECM.
ELDs must be synchronized with the ECM of the vehicle.
HOS log format sent to authorized safety officials:
AOBRD logs can simply be shown to the authorized safety official, or:

  • sent as a PDF via email
  • printed and hand-delivered
  • sent via Bluetooth
  • transferred using a USB thumb drive

ELD logs are sent in a pre-packaged data file sent via:

  • email
  • wireless web services
  • Bluetooth
  • USB 2.0 thumb drive
How are logs analyzed?
AORBD logs are inspected individually by the authorized safety official.
ELD logs are electronically analyzed by the authorized safety official using DOT software called eRODS.
Can logs be edited?

Yes but.

  • Log edits are not stored or
  • transferred to authorized safety officials.

Yes but.

  • Log edits are stored and all edits are
  • included in the data package sent to
  • authorized safety officials.
Requires FMCSA certification?
Fully mandate compliant?


  • If installed before 12/18/2017.


  • If FMCSA certified.