Violation code

392.2SLLOWZ

State/Local Laws - Other work/construction zone violations.

Not in SMSNon-OOS· FMCSA A&I All Violations

392.2SLLOWZ is a Other violation under 49 CFR §392.2SLLOWZ. It is not scored in the SMS. Nationally it was cited 638 times in the last five years, with an OOS rate of 0.0%.

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National roadside inspection stats

as of 6/20/2026

Inspections

628

that found this code

Violations

638

total written

OOS rate

0.0%

0 OOS

Source: FMCSA roadside inspection data (last 5 years). The OOS rate is the share of these violations that led the officer to mark the driver or vehicle out of service.

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Not used in SMS BASIC scoring

Recorded on your inspection report and visible on the PSP, but contributes 0 points to CSA BASIC scores — even if cited Out-of-Service.

Violation group: Other
Regulation §: 392.2SLLOWZ
Severity weight: N/A
Used in SMS: No
Status: Active
Updated: 6/20/2026

Last updated June 2026

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Challenging 392.2SLLOWZ through FMCSA DataQs

If this violation was written incorrectly, here are the angles trucking-safety managers use to contest it. Playbook: Codes not used in SMS scoring.

Relevant 49 CFR49 CFR § 392.2

Applicable operating rules

“Every commercial motor vehicle must be operated in accordance with the laws, ordinances, and regulations of the jurisdiction in which it is being operated. However, if a regulation of the Federal Motor Carrier Safety Administration imposes a higher standard of care than that law, ordinance, or regulation, the FMCSA regulation must be complied with.”

Common ways to challenge this code

Not used in SMS — should not affect BASIC
This code is on the inspection report but is excluded from SMS BASIC scoring per Appendix A. Use DataQs to correct the underlying data quality issue if the code was written in error, but understand it does not affect the CSA percentile.
Evidence that wins
- ✓FMCSA SMS Methodology Appendix A reference
- ✓Underlying inspection report

Common pitfalls — avoid these

⚠These codes still appear on PSP — challenge the data if the cite was wrong

⚡ Draft a challenge for 392.2SLLOWZ →Read the DataQs guide first

Other Other codes

Codes under the same FMCSA violation group

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Frequently asked questions about 392.2SLLOWZ

What does violation 392.2SLLOWZ mean?

392.2SLLOWZ is the FMCSA roadside-inspection violation code for "State/Local Laws - Other work/construction zone violations.", part of the Other group, cited under 49 CFR §392.2SLLOWZ.

What BASIC does 392.2SLLOWZ affect?

392.2SLLOWZ is not scored in any CSA BASIC. It is recorded on the inspection report and appears on the PSP, but it contributes 0 points to a carrier's SMS BASIC percentiles.

Is 392.2SLLOWZ an out-of-service (OOS) violation?

No. 392.2SLLOWZ is not an out-of-service violation, so on its own it does not trigger an out-of-service order at the roadside.

How many CSA points does 392.2SLLOWZ add?

392.2SLLOWZ adds 0 CSA points because it is not used in SMS scoring, even when written out of service.

Can 392.2SLLOWZ be challenged through DataQs?

Yes. If you believe 392.2SLLOWZ was recorded in error, you can file a Request for Data Review (RDR) through the FMCSA DataQs system with supporting evidence. A successful challenge can remove or correct the violation on your record.

Keep going

CSA points calculator How to challenge a violation Draft a DataQs letter for 392.2SLLOWZ Carrier CSA lookup CSA glossary