FMCSR 172.516A: Placard Visibility Violations — Driver Q&A

Will 172.516A put your truck out of service? Get direct answers backed by 13M+ roadside inspection records. What happens next, severity, and state-by-state trends.

Severity Weight
5
OOS Eligible
No
BASIC Category
Hazardous Materials
Code System
FMCSR
Code:
172.516A
Code System:
FMCSR
BASIC Category:
Hazardous Materials
OOS Eligible:
No
Severity Weight:
5
Violation Group:
Markings - HM

Ranks #1,632 of 3,146 FMCSR codes by citation frequency • OOS rate of 0.0% is below the FMCSR-wide average of 33.3%.

Violation Description

Placard not visible from direction it faces

Questions & Answers

Direct answers grounded in TruckCodex inspection data

Will 172.516A put my truck out of service?

No. Across our inspection records, no truck has ever been placed out of service for a 172.516A violation—the OOS rate is 0.0%. All 51 all-time citations resulted in violations, not out-of-service orders. This is much less severe than the national average OOS rate of 31.4% across all FMCSR codes. You will receive a citation, but your truck stays on the road.

What do I do immediately after getting cited for 172.516A?

First: verify your placards are actually visible from all four sides of the vehicle—not faded, not blocked by cargo, mirrors, or mounting hardware. Second: check that placards are securely attached; we see 172.516C1 (placard not securely affixed) cited together with visibility violations. Third: inspect lighting around placards and basic cargo securement, as these frequently appear on the same inspection. Fourth: request a copy of the inspection report and photograph your placards from each side. Document what you correct.

Is 172.516A serious compared to other placard violations?

Not compared to major hazmat violations. Our data shows placard visibility (172.516A) has a 0.0% out-of-service rate, versus 75.1% for general placarding violations (177.817A) or 99.2% for hazmat loading/unloading violations (177.834A-HMC). Placard visibility ranks #1624 out of 3,036 FMCSR codes by citation volume—it's infrequent and rarely triggers OOS. It's a fixable compliance item, not a safety emergency.

Where do most 172.516A citations happen?

The vast majority occur in Texas, with 15 citations in the last 180 days. Illinois and New Mexico each had 1 citation in that same period. Our inspection data shows Texas dominates this violation. If you operate hazmat in Texas, ensure your placards meet visibility standards from all four directions, as enforcement is concentrated there.

How many CSA points does a 172.516A citation add?

We don't have CSA point weighting data in our inspection records. CSA points depend on the severity level assigned during your inspection and your carrier's 24-month history. Contact your carrier's safety manager or your DMV for the exact point total. Note that placard visibility violations are rarely out-of-service events, so the CSA impact is typically lower than major hazmat or brake violations.

Can I contest a 172.516A citation through DataQs?

Yes, you can file a DataQ challenge with FMCSA if you believe the violation was recorded in error. Placard visibility is an objective finding—the inspector either saw the placard from a given direction or did not. Your challenge should include photos of each placard side, lighting conditions, and vehicle angle taken within days of the citation. If the placard was visible and properly maintained, documentary evidence helps. DataQ decisions typically take 30–45 days.

Is 172.516A trending up or staying rare?

Over the last 12 months, we've recorded 32 citations for 172.516A, averaging about 2–3 per month. The busiest month was November 2025 with 7 citations; April 2025 had 5. Overall, this remains a low-volume violation. The recent uptick in Texas and sporadic monthly patterns suggest concentrated state-level enforcement rather than a nationwide trend. Visibility compliance is still a minority issue in hazmat hauling.

Does a 172.516A citation follow me or my carrier?

Both. FMCSA records violations under the carrier USDOT number in the Safety Management System, and driver-specific data goes to your DMV record. Our records show hazmat placard citations are tracked at the carrier level for CSA scoring and safety compliance, but a persistent violation pattern on your record can affect your hire-ability. Work with your carrier's safety team to ensure placards stay visible and properly maintained on every hazmat load.

Last updated: 2026-04-20T15:50:05.111Z Answers reference TruckCodex inspection data Read the full article → Fleet FAQ →

Top Enforcing States

Where 172.516A is most commonly cited (last 180 days)

1. Texas
6
OOS 0.0%
2. Illinois
1
OOS 0.0%
3. North Carolina
1
OOS 0.0%

Often Cited Together

Other violations commonly found on the same inspection (last 90 days)

Data sources & freshness

TruckCodex aggregates official public-sector datasets. See the Source registry for dataset-level coverage and the Freshness log for last-import timestamps.

Census, SAFER, SMS, Licensing & Insurance (L&I), roadside inspections, crashes, and authority history.

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Vehicle recall campaigns, defect investigations, and consumer safety complaints (SCRS).

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EIA

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Cross-border carrier registry and Canadian recall campaigns where applicable.

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TruckCodex is an independent aggregator; it is not affiliated with FMCSA, NHTSA, EIA, or Transport Canada. Always verify compliance-critical information directly with the originating agency.