Carrier profile · USDOT 4693 · Updated Jun 13, 2026

Limestone Dust Corporation

12 power unitsavg 5.4 yrLocal · 2 statesPOUNDING MILL, VA81/100
AUTHORITY STATUS UNKNOWNRATED CONDITIONAL
Verified linksFMCSA SAFER

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 30.8%24-mo cumulative
050%nat'l 22.26%
Driver OOS 0.0%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 13 vehicle and 21 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

60.0% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 36.4 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

19 inspections in the charted months · busiest month Mar '25 · 3

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Well-monitored
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.9 / unit·yr
thin signalabundant signal
Within the expected band for a 12-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.
Registered power units
12
Inspections · 24 mo
21
Annualized
≈11 / yr
Coverage
≈0.9 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

64%
Unsafe Driving
Vektor peer est.
Hours-of-Service
0violations
clean · per-BASIC
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
47%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 393.9 Inoperative required lampsVehicle Maintenance11 · 6 OOS
  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving4 · 0 OOS
  • 393.11 Required lamps/reflectors missingVehicle Maintenance1 · 0 OOS
  • 393.23 Parts & accessories (vehicle condition)Vehicle Maintenance1 · 1 OOS
  • 393.60 Windshield / glazingVehicle Maintenance1 · 0 OOS
  • 392.16 Failure to use seat beltUnsafe Driving1 · 0 OOS
  • 393.95 Emergency equipment (extinguisher, triangles)Vehicle Maintenance1 · 0 OOS
  • 393.104 Cargo securement — tiedownsVehicle Maintenance1 · 0 OOS

ELD & hours-of-service

No hours-of-service or ELD violations on record across 31 inspections — a clean logging history.

Crash history· 16 total · 2 in 24 mo

16
Total crashes
2
In last 24 mo
1
Fatal
8
Injury
YearCrashesFatalInjuryTow
20261001
20251011
20142002
20122002
20104124
20091011
20081011
20001010
19962022
19941001
DateStateFatalitiesInjuriesTow-away
Jan 30, 2026VA00Yes
Dec 30, 2025WV01Yes
Jul 26, 2014VA00Yes
Jan 24, 2014WV00Yes
May 21, 2012VA00Yes
Mar 7, 2012WV00Yes
Nov 29, 2010WV13Yes
Nov 22, 2010WV00Yes
Oct 5, 2010WV03Yes
May 27, 2010WV00Yes
Dec 11, 2009WV01Yes
Aug 21, 2008WV01Yes
Aug 23, 2000WV01No
Jun 12, 1996WV03Yes
Jan 12, 1996KY01Yes
Dec 12, 1994WV00Yes