Back to FMCSA Regulations
FMCSA Part 395

Part 395 — Hours of Service of Drivers

Part 395 is the Hours-of-Service rulebook for commercial drivers. It controls how long drivers may drive, how long they may stay on duty, when breaks and resets are required, how driver logs must be kept, and when ELDs or records of duty status are required.

Searchable Topics

Part 395 Dictionary

Tap “Full meaning” to open a popup with a longer explanation without leaving the page.

What is Part 395?

The federal Hours-of-Service rulebook covering driver time limits, logs, and ELD records.

Who It Applies To

Applies to drivers, motor carriers, dispatchers, and owner-operators managing legal driver hours.

Property Driver Rules

Core freight-driver rules include the 10-hour reset, 11-hour limit, 14-hour window, and cycle limits.

Breaks & Resets

Rest periods, breaks, and restart timing must be planned around the driver’s real clock.

Sleeper Berth

Sleeper berth and split sleeper rules must match actual rest and accurate ELD records.

ELD & Logs

ELDs and logs must accurately show duty status, edits, malfunctions, and unassigned driving.

Supporting Documents

Supporting records help prove whether ELD logs match real-world activity.

Exceptions

Short-haul, adverse conditions, travel time, and emergency relief only apply when all conditions are met.

OOS Orders

A driver placed out of service for HOS must not be dispatched until legally cleared.

Carrier Checklist

A practical checklist for dispatch, ELD review, driver coaching, and audit readiness.

Real-World Risk

Dispatch decisions directly affect HOS legality, ELD accuracy, and driver safety.

Need help keeping dispatch legal with driver hours?

DispatchHQ helps small carriers manage HOS planning, ELD review, detention notes, driver communication, documentation, and compliance workflows so loads stay legal, realistic, and defensible.

Get Started
Source reference: Official eCFR — 49 CFR Part 395 . This page is a plain-English educational guide and is not legal advice.