# Attendance on vehicles carrying Division 1.1, 1.2 or 1.3 explosives — Federal hours-of-service exemptions by commercial driver operation type

For Attendance on vehicles carrying Division 1.1, 1.2 or 1.3 explosives, cfr citation is 49 CFR 395.1(q); who qualifies is Operators who are required by 49 CFR 397.5 to be in attendance on commercial motor vehicles containing Division 1.1, 1.2, or 1.3 explosives; what it exempts from is may use 30 minutes or more of attendance time to meet the requirement for a rest break; radius or condition is providing they perform no other work during the break; baseline limit (for context) is § 395.3(a)(3)(ii): driving is not permitted after 8 hours of driving time without a consecutive 30-minute interruption, recorded from its source on 2026-08-28; source re-checked 2026-08-30.

- **Exemption:** Attendance on vehicles carrying Division 1.1, 1.2 or 1.3 explosives _(our reading, not quoted from the source)_
- **CFR citation:** 49 CFR 395.1(q) _(our reading, not quoted from the source)_
- **Who qualifies:** Operators who are required by 49 CFR 397.5 to be in attendance on commercial motor vehicles containing Division 1.1, 1.2, or 1.3 explosives _(verified: appears in the quote below)_
- **What it exempts from:** may use 30 minutes or more of attendance time to meet the requirement for a rest break _(verified: appears in the quote below)_
- **Radius or condition:** providing they perform no other work during the break _(verified: appears in the quote below)_
- **Baseline limit (for context):** § 395.3(a)(3)(ii): driving is not permitted after 8 hours of driving time without a consecutive 30-minute interruption. _(our reading, not quoted from the source)_

## What the source says

> (q) Attendance on commercial motor vehicles containing Division 1.1, 1.2, or 1.3 explosives. Operators who are required by 49 CFR 397.5 to be in attendance on commercial motor vehicles containing Division 1.1, 1.2, or 1.3 explosives are on duty at all times while performing attendance functions or any other work for a motor carrier. Operators of commercial motor vehicles containing Division 1.1, 1.2, or 1.3 explosives subject to the requirements for a 30-minute rest break in § 395.3(a)(3)(ii) may use 30 minutes or more of attendance time to meet the requirement for a rest break, providing they perform no other work during the break.

## 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/).