Mark Walker (USDOT 819251)
MonitorFindings
FMCSA rating: Conditional. Compliance issues found at last review; carrier remains authorized to operate
FMCSA closed 2 federal enforcement cases against this carrier (2023 to 2025), with $40,250 in civil penalties settled (largest $27,600), most significantly for drug & alcohol testing. These are FMCSA’s adjudicated closed cases (public record).
Recordable crash rate 4.12 per million miles (last 24 months) — above FMCSA’s 1.5 compliance-review threshold (49 CFR 385). National average 0.96.
Carrier authority was revoked within the last 5 years. FMCSA's revocation/reinstatement history can lag its MOTUS registration system; if this carrier's authority is active today, a reinstatement may not yet be reflected here.
Vehicle maintenance ranks 95 of 100 and Hours of service 79 of 100 among similar carriers with recent violations (higher = worse). fleetfax peer estimate, not official CSA scores.
- DOT number
- USDOT 819251
- Docket (MC) number
- MC436570
- Operating authority
- Contract carrier authority: active.
- Authority granted
- Aug 21, 2002
- Insurance on file
- Liability (BIPD) insurance on file for $750,000.
- Safety rating
- Conditional (rating decision Jan 7, 2025)
- Fleet on file
- 13 power units, 9 drivers
- Operation type
- Interstate
- Physical address
- 26240 WEST STONE CHAPEL RD, TAHLEQUAH, OK 74464
- MCS-150 last filed
- Jul 2025
Frequently asked questions
What carrier is DOT 819251?
DOT 819251 (USDOT 819251) is Mark Walker, an interstate motor carrier.
What carrier is MC 436570?
MC 436570 is the docket number of Mark Walker, USDOT 819251.
What is Mark Walker's MC number?
Mark Walker's docket number is MC 436570. Its USDOT number is 819251.
Is Mark Walker currently authorized to operate?
Contract carrier authority: active. Source: FMCSA registration and licensing records.
Does Mark Walker have insurance on file with FMCSA?
Liability (BIPD) insurance on file for $750,000.
Who provides Mark Walker's insurance?
Mark Walker's liability insurance is filed with FMCSA by Navigators Insurance Company.
What is Mark Walker's safety record?
In the last 24 months, FMCSA records show a 44.4% vehicle out-of-service rate for Mark Walker, from 12 of 27 vehicle inspections, against a national average of 22.9% (fleetfax-computed from FMCSA inspections, as of Sep 11, 2026). FMCSA records also show 2 recordable crashes in the same window.
What is Mark Walker's CSA score?
FMCSA does not publish a single CSA score for carriers. Mark Walker's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is Mark Walker's FMCSA safety rating?
Mark Walker's FMCSA safety rating is Conditional, from a review decided Jan 7, 2025.
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Reconstructed from cached and fleetfax-ingested FMCSA public records, so it may be out of date. Records loaded Sep 15, 2026. Verify current status on FMCSA SAFER. fleetfax surfaces the facts; brokers make the judgment. FMCSA status