4
Glossary
Term
Definition
Data bus (also data
diagnostic bus or CAN
bus)
A means of transmitting data, in this case the link
from the ELD to the vehicle’s ECM (engine control
module).
DOT (Department of
Transportation)
The United States governmental department that
regulates transportation (including trucking and
commercial passenger transport).
DVIR (Driver Vehicle
Inspection Report)
A report a driver is required to prepare at the
beginning and at the end of their working day
listing any maintenance defects found with the
vehicle or trailer.
ELD (Electronic Logging
Device)
A device for electronically recording driver logs.
This is the new term used in the 2015 DOT rule
mandating the use of electronic logs that comply
with certain standards.
FMCSA (Federal Motor
Carrier Safety
Administration)
An agency within the DOT that regulates the
commercial transportation industry and tries to
improve overall safety.