S B Cox Ready Mix INC (USDOT 2284804)
1 caution found.
- Operating authority
- Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now.
- Insurance on file
- No active liability (BIPD) insurance on file with FMCSA.
- Safety rating
- No published safety rating
- Fleet on file
- 84 power units, 56 drivers
- Operation type
- Intrastate Non-Hazmat
- Physical address
- 2160 LANIER LANE, ROCKVILLE, VA 23146
- MCS-150 last filed
- 2026-01
Findings
- Crash rate above federal benchmark (Caution): Recordable crash rate 2.19 per million miles (last 24 months) — above FMCSA’s 1.5 compliance-review threshold (49 CFR 385). National average 0.96.
Frequently asked questions
What carrier is USDOT 2284804?
USDOT 2284804 is S B Cox Ready Mix INC, an intrastate non-hazmat motor carrier.
What is S B Cox Ready Mix INC's USDOT number?
S B Cox Ready Mix INC's USDOT number is 2284804. No MC docket number is on file.
Is S B Cox Ready Mix INC currently authorized to operate?
Federal operating authority is not applicable: this is an intrastate operation, with no federal docket required. The federal bulk file showed this carrier active as of 2026-08-16. We could not confirm that live just now. Source: FMCSA registration and licensing records.
Does S B Cox Ready Mix INC have insurance on file with FMCSA?
No active liability (BIPD) insurance on file with FMCSA.
What is S B Cox Ready Mix INC's safety record?
In the last 24 months, FMCSA records show 4 of 9 vehicle inspections ending out-of-service for S B Cox Ready Mix INC, too few inspections for a stable rate. FMCSA records also show 5 reportable crashes in the same window.
What is S B Cox Ready Mix INC's CSA score?
FMCSA does not publish a single CSA score for carriers. S B Cox Ready Mix INC's public safety data includes its roadside inspection out-of-service rates and crash record, listed on this page.
What is S B Cox Ready Mix INC's FMCSA safety rating?
S B Cox Ready Mix INC has no published FMCSA safety rating. Most US carriers have never received a rating review, so an unrated carrier is the common case, not a warning sign by itself.
Changes over time
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