DOT Inspections: The Complete Guide to Roadside Inspections, Annual Inspections, and What Happens After (2026)
Quick Answer
A DOT inspection is an official safety examination of a commercial motor vehicle and/or its driver conducted by a certified CVSA (Commercial Vehicle Safety Alliance) inspector. DOT inspections can be roadside inspections initiated by law enforcement or DOT officers during normal operations, or annual inspections conducted by a qualified mechanic on a scheduled basis.
DOT inspections come in two forms โ the roadside inspection you cannot predict, and the annual inspection you are required to schedule. Both carry significant consequences if handled wrong. This guide covers every aspect of the DOT inspection system: the 6 CVSA inspection levels, what FMCSA requires for annual inspections under 49 CFR 396.17, what triggers an out-of-service order, what happens after a failed inspection, and how to keep the documentation in order so that inspections become a competitive advantage instead of a compliance liability.
6
CVSA inspection levels
Annual
Required per 49 CFR 396.17
OOS
= Immediate shutdown order
$16,550
Max penalty per violation
In This Guide
The Two Types of DOT Inspections: Roadside vs. Annual
When carriers talk about "DOT inspections," they are often referring to two very different things that happen to share a name. Understanding the distinction is the starting point for managing both effectively.
Roadside Inspection
Who conducts it: Certified CVSA inspectors โ typically state troopers, DOT officers, or weigh station personnel. Not FMCSA directly.
When it happens: Any time, without notice. Triggered by a violation observed in traffic, a random selection at a weigh station, a targeted enforcement operation (like CVSA Roadcheck), or a safety screening algorithm.
What it produces: A Driver/Vehicle Examination Report (DVER) recording all violations found. This report feeds into FMCSA's SMS within days.
Governing authority: 49 CFR Part 396 (vehicle), 49 CFR Part 395 (HOS), 49 CFR Part 391 (driver qualifications), CVSA OOS Criteria.
Annual Vehicle Inspection
Who conducts it: A "qualified inspector" โ defined in Appendix G to Subchapter B, Part 396. Must have training and experience to identify defective components. Can be a mechanic at a certified shop or an in-house inspector who meets the criteria.
When it happens: At least once every 12 months per vehicle. The 12-month clock runs from the prior inspection date. Carriers are responsible for scheduling it.
What it produces: An inspection report listing all items checked. The original is retained by the carrier for 14 months. A copy (or inspection sticker) must be on the vehicle.
Governing regulation: 49 CFR 396.17 โ Periodic inspection.
They Interact With Each Other
Roadside and annual inspections are not fully separate systems. During a roadside inspection, an officer can check whether the vehicle has a current annual inspection (the inspection sticker or documentation). If a vehicle is more than 12 months past its last annual inspection, that is a recordable violation. And if the annual inspection missed a defect that a roadside inspector later finds, both the missed annual inspection and the current defect become violations. Keeping the annual inspection current protects you during roadside stops.
The two inspection types serve different purposes in the federal safety framework. Roadside inspections are reactive enforcement tools: they catch problems that exist now. Annual inspections are preventive tools: they are meant to catch deteriorating conditions before they become violations or failures. Carriers that treat annual inspections as a compliance checkbox rather than a genuine maintenance milestone tend to accumulate roadside violations.
The 6 CVSA Inspection Levels Explained
CVSA โ the Commercial Vehicle Safety Alliance โ defines six standard inspection levels used by law enforcement across the US, Canada, and Mexico. The level determines the scope of the inspection and what the inspector is looking for. Most carriers encounter Level I and Level II most frequently; Level VI is specialized for radioactive material transport.
The 6 CVSA Inspection Levels
| Level | Name | Scope | Typical Time | Common Triggers |
|---|---|---|---|---|
| Level I | North American Standard Inspection | Full driver + full vehicle, including under-vehicle | 45โ90 min | Random, targeted ops, observed violations |
| Level II | Walk-Around Inspection | Same as Level I but no under-vehicle examination | 20โ45 min | Traffic stops, weigh stations, less time available |
| Level III | Driver-Only Inspection | Driver credentials, HOS, medical cert, DL only โ no vehicle | 10โ20 min | HOS compliance checks, credentials verification |
| Level IV | Special Study Inspection | Targeted single-element study for data collection | Varies | CVSA/FMCSA research initiatives |
| Level V | Vehicle-Only Inspection | Full vehicle inspection without the driver present | 30โ60 min | Terminals, drop lots, targeted vehicle investigations |
| Level VI | Enhanced NAS Inspection | Level I + radiological scanning, enhanced vehicle protocols | 60โ120+ min | Vehicles transporting highway route controlled radioactive quantities |
According to CVSA data, Level I and Level II inspections account for the substantial majority of all roadside inspections conducted in North America. If your drivers are stopped for an inspection, there is a high probability it will be a Level I or Level II, which means both the driver's documentation and the vehicle's mechanical condition are on the table.
Level I: The North American Standard Inspection (What Gets Checked)
The Level I inspection is the most comprehensive and the most consequential. It covers every aspect of the driver's qualification and the vehicle's mechanical condition that can be checked during a roadside stop. Understanding exactly what gets checked during a Level I lets you prepare โ and helps you prioritize which issues to resolve before they appear on an inspection report.
Driver Components
- Commercial driver's license โ class, endorsements, restrictions, expiration
- Medical certificate (MCSA-5876) โ current, issued by FMCSA-registered examiner
- ELD or paper log โ current 24-hour period and prior 7 consecutive days
- Hours of service compliance โ duty status, on-duty/driving time limits
- Alcohol/drug evidence โ signs of impairment, controlled substance possession
- Seat belt usage
- Hazmat endorsement and training certificate (if applicable)
Vehicle Components
- Brake systems โ service brakes, parking brakes, brake adjustment, air lines
- Tires โ tread depth, inflation, condition, cracking, bulging
- Lighting โ headlights, brake lights, turn signals, marker lights
- Coupling devices โ 5th wheel, kingpin, safety chains
- Steering mechanism and front axle
- Fuel system โ fuel tank security, fuel lines, no leaks
- Cargo securement โ tie-downs, load distribution, securement devices
CVSA Roadcheck 2023: The Numbers
In 2023, CVSA inspectors placed 21.2% of inspected vehicles out of service during Roadcheck โ the annual 72-hour commercial vehicle inspection enforcement operation (CVSA 2023 Annual Report). That means more than 1 in 5 vehicles examined had violations severe enough to warrant an immediate stop-movement order. The most common vehicle OOS violations were brake-related, followed by cargo securement and tire defects. For drivers, the leading OOS category was hours of service violations.
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Annual Vehicle Inspection Requirements Under 49 CFR 396.17
The periodic inspection requirement is one of the most consistently violated provisions in FMCSA enforcement. It appears simple โ inspect every CMV once a year โ but the details matter: who can perform the inspection, what must be checked, how to document it, and what happens if the vehicle fails.
49 CFR 396.17 states: "Every commercial motor vehicle must be systematically inspected, repaired, and maintained to ensure it is in safe and proper operating condition. The inspection must be completed at least once every 12 months."
What 49 CFR 396.17 and Appendix G Require
Annual Inspection Retention Requirement
Annual inspections must be performed by a qualified inspector and the inspection record must be retained for 14 months (49 CFR 396.21). The 14-month retention period is slightly longer than the 12-month inspection interval โ this ensures the prior year's inspection is still available for reference when the new annual inspection is due. Store the original at your terminal. A copy (or sticker) must remain on the vehicle. If the vehicle changes carriers, the inspection records transfer with it or remain with the originating carrier per 49 CFR 396.21(b).
Annual Inspection Items Covered by Appendix G
Brake System
- - Air brake system integrity
- - Brake adjustment (push rod travel)
- - Brake hoses/lines condition
- - Anti-lock braking system
- - Parking brake operation
Tires, Wheels, and Suspension
- - Tread depth (4/32" steer, 2/32" others)
- - Tire pressure and condition
- - Wheel fasteners and rims
- - Suspension springs/shocks
- - Axle alignment
Lighting and Electrical
- - Headlights (high and low beam)
- - Taillights and brake lights
- - Turn signals (front and rear)
- - Clearance/marker lights
- - Reflectors
Steering
- - Steering wheel play (max 30 deg)
- - Power steering operation
- - Tie rod ends and drag links
- - Front axle kingpins
- - Steering column
Fuel and Exhaust
- - Fuel tank mounting
- - No fuel system leaks
- - Exhaust system condition
- - No exhaust leaks near cab
- - DEF system (if applicable)
Cab and Body
- - Windshield condition
- - Door operation and seals
- - Horn operation
- - Mirrors condition and mounting
- - Emergency equipment (triangles, fire ext.)
What Triggers an Out-of-Service Order
An out-of-service order is not issued for every violation found during an inspection. OOS orders are reserved for conditions that represent an immediate safety hazard โ defects so serious that allowing the vehicle or driver to continue operating creates an unacceptable risk of an accident or injury. The CVSA OOS Criteria document defines exactly what constitutes an OOS condition.
Top Vehicle OOS Violations โ CVSA Data
| OOS Violation Category | Common OOS Conditions | BASIC Category |
|---|---|---|
| Brakes | Brakes out of adjustment (>20% of brakes), cracked/broken brake drum, inoperative ABS on tractors post-1997, air line leaks causing significant pressure drop | Vehicle Maintenance |
| Tires | Tread depth below 4/32" on steer tires (2/32" on drive tires), tire separation, sidewall damage, flat tire, audible air leak, tire sidewall crack to cords | Vehicle Maintenance |
| Lights | No headlights, no taillights, no stoplights โ required lighting completely inoperable | Vehicle Maintenance |
| Hours of Service | Driver exceeds 11-hour driving limit, 14-hour on-duty limit, or 60/70-hour limit; falsified logs; ELD malfunction with no backup logs | HOS Compliance |
| Driver Documents | Expired or invalid CDL, expired medical certificate, CDL revoked/suspended, no CDL for vehicle type being operated | Driver Fitness |
| Cargo Securement | Inadequate tie-downs for load, improper blocking/bracing, load shifting risk during transit, required securement devices missing for cargo type | Vehicle Maintenance |
| Steering | Steering wheel play exceeding limits, steer tire flat, missing or damaged steering components creating loss-of-control risk | Vehicle Maintenance |
| Fuel Leaks | Any fuel system leak โ fuel dripping from tank, cracked fuel line, damaged fuel cap allowing spill | Vehicle Maintenance |
Moving an OOS Vehicle Is a Separate Violation
Once an OOS order is issued, moving the vehicle before the defect is corrected and the order is lifted is itself a violation โ separate from whatever caused the OOS order in the first place. This is not a technicality: penalty amounts for moving an OOS vehicle can reach $16,550 per occurrence. The only permitted movement is to a repair facility, and only with written approval from the enforcement officer. Driving the vehicle to the next delivery point to finish the load, then taking it to a shop, is a violation.
What Happens After a Failed DOT Inspection
"Failed" is not an official FMCSA term โ every inspection produces a report, and that report either contains violations or it does not. Whether a violation results in an OOS order, a warning, or a citation depends on the severity of the violation and the inspector's determination. Here is what the process looks like after a roadside inspection produces violations:
If an OOS Order Is Issued
The vehicle or driver is placed out of service immediately. For a vehicle OOS: the defects must be repaired, the vehicle must pass reinspection, and the OOS order must be lifted before the vehicle moves (except to a repair facility). For a driver OOS: the driver must not operate a CMV until the condition is resolved โ they may be able to get in the vehicle as a passenger or wait for another driver to take over.
If Violations Are Recorded Without OOS
The inspection report (DVER) is completed and the driver receives a copy. The violations are uploaded to the FMCSA SMS portal โ typically within 3โ5 business days. Even without an OOS order, these violations count against your BASIC scores. The carrier receives notification through the FMCSA portal. Review the report within 48 hours and determine whether any violations are challengeable through DataQs.
DataQs Challenge Process
If an inspection report contains errors โ wrong carrier assigned, violation did not exist, incorrect violation code, vehicle misidentified โ you can file a Request for Data Review at dataqs.fmcsa.dot.gov. Submit within 60 days with supporting documentation. The reviewing state agency investigates and can uphold, modify, or remove the record. Successful challenges remove the violation from your SMS calculations. File promptly โ challenges are not retroactive for the period the bad data was in your record.
Impact on BASIC Scores
The violation's weight in your BASIC calculation depends on two factors: the FMCSA severity weight (1โ10 scale, where higher = more severe) and the time-weight multiplier (3x for violations in the past 6 months, declining to 0.5x as violations approach the 24-month limit). Each violation is assigned to one of the 7 BASICs based on its regulatory category. The effect on your percentile is visible in the next monthly SMS update.
How to Prepare for a Roadside Inspection
Roadside inspections cannot be scheduled, but they can be prepared for. Carriers that maintain genuine compliance โ not just documentation compliance โ perform significantly better during roadside inspections than carriers that cut corners and hope to avoid enforcement attention.
Pre-Trip and Ongoing Preparation Checklist
Driver Documentation
Vehicle Condition
During the Inspection: Best Practices
- 1Pull over safely and promptly. Slow down in a deliberate, controlled manner and stop in a safe location. Do not make the inspector wait or question your intent to comply.
- 2Be cooperative, professional, and non-argumentative. Hand over requested documents immediately. Do not argue about violations during the inspection โ the roadside is not the place to dispute findings. Note any concerns and address them through DataQs later.
- 3Know where your documents are. Drivers who have to search through the cab for their CDL, medical certificate, or shipping papers create delays and can appear unprepared to an inspector who is already looking for reasons to escalate the inspection level.
- 4Keep a copy of the completed DVER. Drivers should always request and keep a copy of the completed inspection report. This is the document you need to review for DataQs challenges and BASIC score monitoring.
- 5Report back to dispatch immediately. The driver should report the inspection result (clean or with violations) to their carrier within hours. The carrier needs to review the report before it is uploaded to SMS and identify any challenges within the DataQs window.
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How to Keep Your Annual Inspection Records in Order
Annual inspection recordkeeping is one of the most straightforward compliance requirements under Part 396, yet it is regularly cited in FMCSA compliance reviews โ usually because carriers lose track of inspection dates across a growing fleet, let records expire, or fail to maintain records in an accessible format when investigators arrive.
Annual Inspection Recordkeeping Requirements
| Record | Where Kept | Retention Period | Regulation |
|---|---|---|---|
| Annual inspection report (original) | Terminal/carrier location | 14 months | 49 CFR 396.21 |
| Annual inspection copy or sticker | On the vehicle | Until next inspection | 49 CFR 396.17(c) |
| DVIR (Driver Vehicle Inspection Report) | Terminal/carrier location | 3 months | 49 CFR 396.11 |
| Roadside inspection report (DVER) | Terminal/carrier location | 12 months | 49 CFR 390.29 |
| Repair and maintenance records | Terminal/carrier location | 1 year active + 6 months after retirement | 49 CFR 396.3 |
The practical challenge for most carriers is not understanding the retention requirements โ it is executing on them consistently across a fleet where vehicles go to different shops, inspections happen at different times during the year, and records are generated by third-party mechanics who may not format them consistently.
How FileFlo Manages DOT Inspection Records
- Annual inspection deadline tracking by vehicle: Each vehicle's next inspection due date is tracked automatically. The dashboard shows which vehicles are current, which are within 30 days of expiration, and which are overdue.
- Inspection document storage: Upload annual inspection reports directly to the vehicle's record in FileFlo. Documents are date-stamped, linked to the vehicle ID, and retrievable in under a minute during an FMCSA investigation.
- 14-month retention clock: FileFlo tracks the retention period for each inspection record, so you know exactly when older records can be purged and ensures nothing is deleted while it is still within the required window.
- Driver document tracking: Medical certificates, CDL expiration dates, and drug test records are tracked alongside vehicle records โ so a single dashboard shows both driver and vehicle compliance status.
- Audit-ready file export: When an FMCSA investigator requests records, export complete vehicle inspection history, driver qualification files, and maintenance records in minutes โ not hours.
- Roadside inspection report filing: Store DVER reports for each vehicle as they come in, with the date of inspection and violation details. Track DataQs challenges and their outcomes against each report.
Internal Resources: DOT Inspections
How DOT Inspections Affect Your CSA BASIC Scores: The Complete Picture
Every roadside inspection โ clean or with violations โ becomes part of your FMCSA Safety Measurement System record. The inspection data drives your BASIC percentile scores, which in turn drive insurance premiums, broker vetting decisions, and FMCSA intervention targeting. Understanding exactly how inspections feed into the BASIC system helps carriers prioritize which issues to address first and how to use clean inspections strategically.
Which Inspection Violations Affect Which BASIC
| BASIC Category | Types of Violations That Feed It | Intervention Threshold |
|---|---|---|
| Unsafe Driving | Speeding, reckless driving, improper lane change, texting/phone use, failure to obey traffic control | 65% (passenger/hazmat carriers: 60%) |
| HOS Compliance | Exceeding driving/duty time limits, logbook violations, ELD malfunctions, false records | 65% (passenger/hazmat: 60%) |
| Driver Fitness | Expired/invalid CDL, expired medical certificate, operating without required endorsement, CDL disqualification | 65% (passenger/hazmat: 60%) |
| Controlled Substances / Alcohol | Operating under influence, drug/alcohol possession in CMV, positive test evidence at roadside | 65% (any carrier) |
| Vehicle Maintenance | Brake violations, tire defects, lighting failures, coupling device defects, fuel leaks, annual inspection violations | 80% (passenger: 75%, hazmat: 75%) |
| Hazardous Materials | Improper placard, missing shipping papers, unauthorized hazmat transport, package/container violations | 80% (hazmat carriers) |
| Crash Indicator | Reportable crashes (fatality, injury, or tow-away) โ not violations from inspections but crash reports | 65% (passenger/hazmat: 60%) |
Violations are not counted equally in the BASIC calculation. FMCSA assigns each violation a severity weight from 1 to 10, where higher numbers represent more serious safety risks. A brake-out-of-adjustment violation (severity 8) costs significantly more in the Vehicle Maintenance BASIC than a burned-out marker light (severity 1). Understanding severity weights helps carriers prioritize repairs and training.
How Time-Weighting Works in BASIC Calculations
FMCSA applies a time multiplier to each violation based on when it occurred relative to today:
3x
Violations in the past 6 months
2x
Violations 6โ12 months ago
1x / 0.5x
Violations 12โ24 months ago
This means a brake violation from 3 months ago counts 6x more than the same violation from 20 months ago. The practical implication: a bad inspection month takes 6โ12 months to significantly diminish in your BASIC scores, even if you clean up immediately. This is why proactive maintenance and driver compliance matter more than after-the-fact fixes.
Clean Inspections Improve Your Scores Even Without Removing Violations
The BASIC percentile is calculated by comparing your violation rate to other carriers of similar size. Each clean inspection improves your denominator โ the total number of inspections in your record โ which dilutes the weight of any violations in your numerator. A carrier with 20 inspections and 2 violations has a 10% violation rate. The same carrier with 40 inspections (20 additional clean ones) and the same 2 violations now has a 5% violation rate. Actively accumulating clean inspections is a legitimate BASIC management strategy.
Highest-Severity Inspection Violations by BASIC Category
These are the violations with the highest severity weights โ they cause the most damage to BASIC scores per occurrence. Prioritize eliminating these first.
Vehicle Maintenance (High Severity)
Driver/HOS (High Severity)
The strategic implication of severity weights is clear: preventing a single severity-8 or severity-10 violation does more to protect your BASIC scores than eliminating 8 severity-1 violations. Your inspection preparation efforts should concentrate on the highest-severity items first โ brake condition, tire condition, steering integrity, HOS compliance, and driver credential currency โ before worrying about lower-severity items like burned-out auxiliary lights.
Key Takeaways
- Two types of DOT inspections: Roadside inspections (unannounced, any time, CVSA 6 levels) and annual inspections (your responsibility to schedule, every 12 months per 49 CFR 396.17). Both matter for compliance and CSA scores.
- Level I is the most comprehensive roadside inspection โ it covers both the driver and the full vehicle. Level II skips the under-vehicle exam. Level III covers driver only. Most carriers face Level I or Level II most often.
- 21.2% of vehicles inspected during CVSA Roadcheck 2023 were placed out of service. The most common causes: brakes, tires, and HOS. These are all preventable with consistent maintenance and driver compliance.
- Annual inspections must be documented and retained for 14 months. A copy or inspection sticker must be on the vehicle. Failing to have a current annual inspection is a recordable violation during roadside stops.
- Moving an OOS vehicle is a separate violation with penalties up to $16,550. An OOS order means stop-movement until defects are repaired and the order is lifted โ not "fix it at the next stop."
- Every violation feeds into your BASIC scores. Review every DVER within 48 hours and challenge legitimate errors through DataQs. Unchallenged errors sit in your SMS record for up to 24 months.
- The best preparation for a roadside inspection is genuine compliance โ functional equipment, current documentation on the driver, and drivers who know where their paperwork is and how to interact professionally with inspectors.
DOT Inspections: FAQ
Answers to common questions about DOT roadside inspections, annual inspections, OOS orders, and CSA score impact.
A DOT inspection is an official safety examination of a commercial motor vehicle and/or its driver conducted by a certified CVSA (Commercial Vehicle Safety Alliance) inspector. DOT inspections can be roadside inspections initiated by law enforcement or DOT officers during normal operations, or annual inspections conducted by a qualified mechanic on a scheduled basis. Both types are required under federal regulations: roadside inspections happen when triggered by an officer or at a weigh station, while annual inspections are required under 49 CFR 396.17 for every CMV at least once every 12 months.
CVSA defines six inspection levels: Level I (North American Standard Inspection) is the most comprehensive and covers both the driver and the vehicle. Level II (Walk-Around Inspection) covers everything in Level I that can be checked without the inspector going under the vehicle. Level III (Driver-Only Inspection) covers only the driver's credentials, hours of service, and related documents. Level IV (Special Study Inspection) is used for targeted data collection. Level V (Vehicle-Only Inspection) covers the vehicle without the driver present. Level VI (Enhanced NAS Inspection) is used for vehicles carrying certain radioactive materials. Levels I and II are the most common in roadside situations.
If a vehicle or driver fails a DOT inspection, the inspector may issue an out-of-service (OOS) order. For vehicles, an OOS order means the vehicle cannot move until the cited defects are repaired and a reinspection confirms the repairs. For drivers, an OOS order means the driver cannot operate a CMV until the violation is corrected (for example, a logbook violation) or a waiting period has elapsed. If no OOS violations are found but violations are recorded, the violations feed into your CSA BASIC scores and are visible to FMCSA, insurers, and brokers. Fines up to $16,550 per violation can also be issued for serious violations.
49 CFR 396.17 requires a periodic inspection of every commercial motor vehicle at least once every 12 months. The inspection must be performed by a qualified inspector โ someone with training and experience sufficient to identify defective, deficient, or deteriorating components that would affect safe operation. The inspection record (or a copy) must be on the vehicle, and the original must be retained by the carrier for 14 months from the date of inspection (49 CFR 396.21). If a vehicle passes a state-conducted inspection equivalent to the federal standard, that can satisfy the annual requirement.
An out-of-service (OOS) order is an enforcement action that prohibits a driver or vehicle from continuing to operate until a specific condition is corrected. For vehicles, OOS orders are issued for critical defects: brake failures, steering deficiencies, tire blowouts or bald tires, lighting failures, fuel leaks, cargo securement failures, and similar safety-critical conditions listed in the CVSA OOS Criteria document. For drivers, OOS orders are issued for HOS violations, falsified logs, invalid medical certificates, positive drug/alcohol tests, or operating without a valid CDL. Moving a vehicle or driver that is under an OOS order is a serious violation with penalties up to $16,550.
Your carrier's inspection history is available through the FMCSA Safety Measurement System (SMS) at ai.fmcsa.dot.gov. Log in with your DOT number and PIN to view your complete inspection record, violation history, and BASIC percentile scores. Individual inspection reports can also be retrieved through the FMCSA portal. For the public-facing view (what brokers and shippers see), you can check without a PIN. You can also use the FMCSA DataQs system (dataqs.fmcsa.dot.gov) to review inspection records and file challenges for any data errors.
During a roadside inspection, a driver must be able to produce: a valid CDL (or appropriate license for the vehicle), a current medical certificate (MCSA-5876 or integrated on CDL in states with CDLIS integration), an ELD or logbook (current 24-hour period plus prior 7 days), bill of lading or shipping papers, a current carrier operating authority (MC number) confirmation, and for hazmat loads, shipping papers and placards. Some inspectors also check for an annual inspection sticker, vehicle registration, and proof of insurance. Failing to produce any required document can result in a violation in the Driver Fitness or HOS Compliance BASIC.
Every roadside inspection and every violation recorded during that inspection feeds directly into FMCSA's Safety Measurement System (SMS), which calculates your BASIC percentile scores. Violations are weighted by severity (1โ10 scale) and time โ recent violations carry more weight than older ones, with a 3x multiplier for violations in the past 6 months versus 0.5x for violations approaching the 24-month limit. Clean inspections (no violations) are also recorded and improve your denominator, which can lower your BASIC percentile over time. The key to managing CSA scores is not just avoiding violations โ it is accumulating clean inspections and resolving any data errors through the DataQs system.
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Annual Vehicle Inspection Requirements Under 49 CFR 396.17
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What triggers an OOS order, what the reinspection process looks like, penalties for moving an OOS vehicle, and how to challenge OOS violations through DataQs.
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