Reference Source

Ground water well drilling operations

For Ground water well drilling operations, cfr citation is 49 CFR 395.1(l); who qualifies is a driver of a commercial motor vehicle who is used primarily in the transportation and operations of a ground water well drilling rig; 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
Ground water well drilling operations our reading
CFR citation
49 CFR 395.1(l) our reading
Who qualifies
a driver of a commercial motor vehicle who is used primarily in the transportation and operations of a ground water well drilling rig verified
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
Radius or condition
off-duty period of 24 or more successive hours verified
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
Sourceecfr.gov
Verified
Review by
DatasetFederal hours-of-service exemptions by commercial driver operation type

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

(l) Ground water well drilling operations. In the instance of a driver of a commercial motor vehicle who is used primarily in the transportation and operations of a ground water well drilling rig, any period of 7 or 8 consecutive days may end with the beginning of any off-duty period of 24 or more successive hours.

ecfr.gov, retrieved 2026-08-28

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.