# Construction materials and equipment — Federal hours-of-service exemptions by commercial driver operation type

For Construction materials and equipment, cfr citation is 49 CFR 395.1(m); who qualifies is a driver of a commercial motor vehicle who is used primarily in the transportation of construction materials and equipment; what it exempts from is any period of 7 or 8 consecutive days may end with the beginning of any off-duty period of 24 or more successive hours; radius or condition is off-duty period of 24 or more successive hours; baseline limit (for context) is § 395.3(c): a 7- or 8-consecutive-day period otherwise restarts only with an off-duty period of 34 or more consecutive hours, recorded from its source on 2026-08-28; source re-checked 2026-08-30.

- **Exemption:** Construction materials and equipment _(our reading, not quoted from the source)_
- **CFR citation:** 49 CFR 395.1(m) _(our reading, not quoted from the source)_
- **Who qualifies:** a driver of a commercial motor vehicle who is used primarily in the transportation of construction materials and equipment _(verified: appears in the quote below)_
- **What it exempts from:** any period of 7 or 8 consecutive days may end with the beginning of any off-duty period of 24 or more successive hours _(verified: appears in the quote below)_
- **Radius or condition:** off-duty period of 24 or more successive hours _(verified: appears in the quote below)_
- **Baseline limit (for context):** § 395.3(c): a 7- or 8-consecutive-day period otherwise restarts only with an off-duty period of 34 or more consecutive hours. _(our reading, not quoted from the source)_

## What the source says

> (m) Construction materials and equipment. In the instance of a driver of a commercial motor vehicle who is used primarily in the transportation of construction materials and equipment, any period of 7 or 8 consecutive days may end with the beginning of any off-duty period of 24 or more successive hours.

## Source

- https://www.ecfr.gov/current/title-49/subtitle-B/chapter-III/subchapter-B/part-395/subpart-A/section-395.1

Last verified: 2026-08-30. Review by: 2027-08-28.
Part of [Federal hours-of-service exemptions by commercial driver operation type](https://referencesource.org/federal-hours-of-service-exemptions-by-operation-type/).