Over 100 trucks: Scoped with the FileFlo compliance team and priced in writing.
1 of your 50 roadside inspections in the last 24 months ended with an out-of-service order, most recently Kentucky on January 24, 2025.
Your latest, Illinois on March 16, was clean.
Your MCS-150 lists 173 trucks and 173 drivers.
Every violation on this list stays on your FMCSA record for 24 months and counts toward the scores FMCSA uses to choose carriers for an investigation. The investigator asks for the files behind each one.
GRAY TRANSPORTATION INC is a large fleet motor carrier based in WATERLOO, Iowa (USDOT #322235). As of November 14, 2026, it holds a Satisfactory FMCSA safety rating and a FileFlo Carrier Intelligence Score of 100/100 (Low Risk), based on 50 recent inspection(s) and 48 recorded violation(s) in public FMCSA data.
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| Category | Score | Max |
|---|---|---|
| Safety Rating | 30 | 30 |
| Inspection Pass Rate | 20 | 20 |
| Out-of-Service Rate (vs FMCSA national avg) | 15 | 15 |
| CSA BASIC percentiles | Not measured | n/a |
Three public FMCSA components, scored by FileFlo. CSA BASIC percentiles are not in FMCSA's public data, so they are shown as not measured.
A BMC-91X liability filing was cancelled on FMCSA's insurance record in the last 24 months, Carolina Casualty Insurance Co.'s, effective April 24, 2025.
When the policy behind a BMC-91X is cancelled, the insurer must give FMCSA 30 days' notice (49 CFR 387.313(d)), and FMCSA starts revoking the operating authority unless a replacement filing is on record.
GRAY TRANSPORTATION INC is a large fleet operating out of WATERLOO, Iowa with USDOT number 322235. The company operates 173 power units and holds a current FMCSA safety rating of Satisfactory. Based on our analysis of federal safety data, GRAY TRANSPORTATION INC has a FileFlo Carrier Intelligence Score (CIS) of 100/100, classified as Low Risk.
GRAY TRANSPORTATION INC has undergone 50 recorded DOT inspections. The vehicle out-of-service rate is 2.0%, which is below the national average of 20.72%, suggesting solid vehicle maintenance practices.
The public FMCSA record for GRAY TRANSPORTATION INC carries 48 recorded violations, and the most recent inspection on file is dated March 16, 2026. Across 50 recorded inspections, the record carries 0 driver out-of-service violations and 1 vehicle out-of-service violation.
A recorded violation is what an inspector wrote down at the roadside. It is not a penalty, and it is not an amount owed: FMCSA assesses civil penalties only after a compliance review classifies specific cited violations. The step that changes this record is the document behind each line, so the next move is to see which records an investigator would ask for and which of them exist today.
The Carrier Intelligence Score is FileFlo's own summary of three public FMCSA components for GRAY TRANSPORTATION INC: the safety rating, the inspection pass rate and the out-of-service rate against the national average. It is not an FMCSA score, and FMCSA does not use it to choose carriers for an investigation. 100 out of 100 falls in FileFlo's Low Risk band.
GRAY TRANSPORTATION INC falls under the Midwestern Service Center for FMCSA field-office oversight (region code 07). Service-center territory drives which FMCSA Investigator team would conduct a new-entrant audit or compliance review if one is triggered for this carrier.
GRAY TRANSPORTATION INC is classified by FMCSA as an interstate carrier.
The carrier holds an Authorized For Hire classification, meaning it transports cargo or passengers for compensation under FMCSA operating authority and is subject to MC-number requirements at 49 CFR Part 365.
Business organization type: Corporation.
GRAY TRANSPORTATION INC is not flagged in FMCSA Census as a hazmat carrier (HM indicator: N), so the carrier is not subject to the additional 49 CFR Subchapter C hazmat regulations.
Operational range per MCS-150 filing: interstate beyond 100 miles (long-haul, 129 drivers); intrastate beyond 100 miles (40 drivers); intrastate within 100 miles (4 drivers). The 100-mile boundary matters because drivers operating within a 100-air-mile radius qualify for the short-haul exception under 49 CFR 395.1(e)(1), which removes the requirement to maintain RODS for the day.
Self-reported MCS-150 annual mileage: 14,954,886 miles. MCS-150 mileage feeds the FMCSA SafeStat exposure denominator: drastically understated mileage can artificially inflate CSA BASIC percentile scores by reducing the per-mile exposure baseline. Updates are required every 24 months under 49 CFR 390.19.
Owned equipment per the FMCSA Census filing: 600 trailers. Owned-vs-leased equipment matters for compliance documentation, owned trailers require the carrier to retain annual inspection certificates under 49 CFR 396.17, while leased trailers shift that documentation responsibility to the lease agreement.
The carrier reports 172 CDL-holding drivers on file. Each CDL driver must have a current Driver Qualification File (DQF) maintained per 49 CFR 391.51, including a Medical Examiner's Certificate, an annual MVR review, and a record of road-test results.
Intrastate driver count: 44. Intrastate drivers may be subject to state-specific CDL endorsement and hours-of-service variances depending on the state.
Primary cargo type per MCS-150: Tractor Parts. Cargo type drives which BASIC categories the carrier is monitored under (Hazmat Compliance applies only to HM-flagged carriers; Cargo-Related Crash applies broadly).
The FMCSA Motor Carrier Management Information System (MCMIS) crash dataset records 20 crash events involving GRAY TRANSPORTATION INC in the available reporting window. Of these, 0 involved a fatality, 4 involved a reported injury, and 20 resulted in a tow-away. 20 events meet the federal-recordable threshold under 49 CFR 390.5 (fatality, injury treated away from the scene, OR tow-away of any vehicle).
Most recent recorded event: I-55, Pontiac Twp, IL on March 16, 2026.
Inspections cluster geographically across Iowa (8), Indiana (7), Michigan (5). The concentration in Iowa is consistent with the carrier's primary lanes and tends to correlate with which state DOT inspector teams GRAY TRANSPORTATION INC's drivers encounter most often at roadside checkpoints.
Across the 50 recorded inspections, GRAY TRANSPORTATION INC's 2.0% vehicle out-of-service rate sits well below the FMCSA 2024 national average of 20.72%. The 0.0% driver out-of-service rate sits materially below the 2024 national average of 5.51%.
The self-serve Audit-Ready Setup covers carriers up to 50 power units. A fleet of 173 power units is scoped with a person: tell us how USDOT 322235 is run, how many drivers and files are in scope, and we come back with the scope and the price for that.
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| Date | State | Driver OOS | Vehicle OOS | Next step |
|---|---|---|---|---|
| 2026-03-16 | IL | 0 | 0 | Audit check |
| 2025-10-16 | IL | 0 | 0 | Audit check |
| 2025-10-10 | IL | 0 | 0 | Audit check |
| 2025-03-11 | IN | 0 | 0 | Audit check |
| 2025-03-10 | TN | 0 | 0 | Audit check |
| 2025-03-07 | OH | 0 | 0 | Audit check |
| 2025-03-06 | IN | 0 | 0 | Audit check |
| 2025-03-04 | WI | 0 | 0 | Audit check |
| 2025-03-03 | WI | 0 | 0 | Audit check |
| 2025-03-02 | SD | 0 | 0 | Audit check |
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GRAY TRANSPORTATION INC (USDOT #322235) holds a "Satisfactory" FMCSA safety rating. FileFlo's Carrier Intelligence Score for the carrier is 100/100 (Low Risk), derived from its safety rating, inspection pass rate, and out-of-service rate versus the FMCSA national average.
Per its most recent FMCSA MCS-150 filing, GRAY TRANSPORTATION INC operates 173 power unit(s) and 173 driver(s), classifying it as a large fleet. Fleet counts are self-reported to FMCSA and can lag a carrier's current operation.
GRAY TRANSPORTATION INC is registered with the FMCSA at a physical address in WATERLOO, Iowa, under USDOT number 322235.
FileFlo shows 50 recent DOT inspection(s) and 48 recorded violation(s) for GRAY TRANSPORTATION INC (USDOT #322235), sourced from FMCSA public records and the Socrata transportation datasets. The inspection table on this page lists dates, states, and out-of-service counts.
GRAY TRANSPORTATION INC scores 100/100 (Low Risk) on FileFlo's Carrier Intelligence Score. The score normalizes three public FMCSA components (safety rating, inspection pass rate, and out-of-service rate versus the national average) into one 0-100 surface. CSA SMS BASIC percentiles are not published in FMCSA's public data and are excluded rather than estimated.
The 49 CFR sections a DOT compliance review actually checks, plain-English:
Compliance terms: CSA score · out-of-service order · hours of service · driver qualification file. See DOT compliance software & document management →
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Data sourced from FMCSA public records and the Socrata transportation dataset. Last updated: November 14, 2026. Information may not reflect the carrier's current status. Dispute this record · Claim this profile