What is the function of an electronic logging device (ELD)?

The function of an electronic logging device (ELD) is to automatically record driving hours and duty status. ELDs are designed to enhance compliance with the Hours of Service (HOS) regulations set by the Federal Motor Carrier Safety Administration (FMCSA). By automatically capturing data such as when the vehicle is in motion, the duration of driving time, and periods of rest or other duty statuses, ELDs help ensure that commercial drivers adhere to legal driving limits, ultimately promoting road safety.

This automatic recording minimizes errors associated with manual logbooks and provides accurate, tamper-resistant data that can be reviewed during inspections. The use of ELDs is mandatory for most commercial drivers required to maintain records of duty status, thereby streamlining operational management and regulatory compliance for trucking companies.