ELD Mandate Explained: What Drivers Need to Know

Electronic Logging Devices replaced paper logbooks for most commercial drivers. Whether you're new to trucking or transitioning from paper, here's what you need to understand about the ELD mandate.

Who Must Use an ELD

Most CDL drivers operating vehicles with a GVWR over 10,001 lbs who are required to keep Records of Duty Status must use an ELD. This includes nearly all OTR, regional, and many local CDL drivers. The mandate is enforced by FMCSA.

Exemptions

Drivers operating under the short-haul exemption (150 air-mile radius, report to same location) are exempt. Drivers of vehicles manufactured before model year 2000. Drivers who use paper logs no more than 8 days in a 30-day period. Agricultural vehicles during planting and harvest seasons.

How ELDs Work

ELDs connect to the vehicle's engine control module and automatically record driving time when the vehicle moves. You manually select on-duty not driving, sleeper berth, and off-duty status. The device tracks your Hours of Service in real-time and alerts you when you're approaching limits. During a DOT inspection, you display your logs on the ELD screen or print them.

Common ELD Issues

Unassigned driving time (when the truck moves without a driver logged in) must be claimed or annotated. Malfunctions must be noted and reported to your carrier within 24 hours — you can use paper logs for up to 8 days while the device is repaired. Incorrect duty status edits by dispatchers must be approved by you — never let someone else modify your logs without your review.

Tips for Managing Your ELD

Plan your driving day before starting the truck. Use the yard move function (if available) when moving trucks in a terminal. Log your 30-minute break proactively — don't wait until your ELD forces it. Keep a paper log backup (blank forms) in case of malfunction. And remember: your ELD is a legal document. Tampering with it carries fines up to $16,000.