Carrier profile · USDOT 51578 · MC-243452 · Updated Jun 13, 2026

WILLIAM R KNOTTS JR LLC

1 power unitLocal · 1 statesDOVER, DE50/100

CARRIER ACTIVEMC-243452 ACTIVERATED SATISFACTORY

Observed fleet · trailing 24 mo daily

1Power units

1 observed · MCS-150

1Trailers seen

Decoded · vPIC

15.5Avg age (yr)

2005–2016 · vPIC

Call dispatch(302) 674-3496 Email dispatchesknotts@comcast.net

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Limited record

Not enough federal record to assess. Verify authority and insurance directly.

Active operating authorityInsurance on fileNot enough inspection history to rate

Watch · 1

Not enough inspection history to rate1 federal roadside inspection in the last 24 months. FMCSA itself will not score a carrier's vehicle or driver record on fewer than 5, and neither will we — verify authority, insurance and references directly before tendering.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 52 yearsOperating authority has been on file since 1974.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo100.0%

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo100.0%

Crashes · fatal

Clean · 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Owner-operator

1 power unit. Brokers price each fleet type apart.

Fleet age vs peersDecoding

—

Not yet decoded

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

Safety

1 inspections · 24 mo

Out-of-service rate· 24-mo cumulative

Vehicle OOS 100.0%24-mo cumulative

050%

Driver OOS 0.0%24-mo cumulative

030%

Every inspection in the window pooled — 1 vehicle and 1 driver inspections over 24 months.

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

No roadside inspections on the FMCSA record in this window

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.

Expected band

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.5 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 1-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 1
Inspections · 24 mo: 1
Annualized: ≈1 / yr
Coverage: ≈0.5 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

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

392.9 Failure to secure load / cargo not securedUnsafe Driving1 · 1 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: Active
Contract: Active
Broker: Inactive

Insurance & bonds

BIPD / liability$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’24 · 8 insurers · 1 lapseCoverage lapse

Harco National’94–’97

Corestate Bank’97–’21

Daily America’01–’17

1994200220102018now

Shorter eras are too brief to label at this scale — all 8 insurers are named in the list below.

BIPD in force — $750,000 · SENTRY SELECT INSURANCE COMPANY · since Jan 2024

All 8 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
UNITED FINANCIAL CASUALTY COMPANY	May 2021 → Jan 2024	$750K	3
DAILY UNDERWRITERS OF AMERICA	May 2001 → Jun 2017	$750K	4
HIGHLANDS INSURANCE CO.	May 2000 → May 2001	$750K	1
THE RELIANCE INSURANCE CO.	May 1999 → May 2000	$750K	1
CLARENDON NATIONAL INS. CO.	May 1998 → Jul 1999	$750K	2
CORESTATE BANK	Nov 1997 → Jun 2021	$750K	1
PROVIDENCE WASHINGTON INSURANCE CO.	May 1997 → May 1998	$750K	1
HARCO NATIONAL INSURANCE CO.	May 1994 → May 1997	$750K	3

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 1
Observed power (24 mo): 1
Trailers (towed): 1

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

MD busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

DOVER, DE

4786 FORREST AVE

Top corridor

MD ⇄ DE

MD 1

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & fraud

Affiliated entities & reincarnation signals · for review, not a verdict

No shared-identity links detected — no reincarnation flag, shared trucks, registration domain, or officer overlap with other carriers.

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & contact

FMCSA census + L&I dossier

Location

Physical address: 4786 FORREST AVE, DOVER, DE, 19904
Operation: Interstate

Contact

Phone: (302) 674-3496
Cell: (302) 270-6407
Fax: (302) 734-3916
Email: esknotts@comcast.net

Registration

Officer: William Knotts
USDOT / docket: 51578 · MC-243452
First registered: Jun 1, 1974
Last MCS-150: Jun 25, 2025 · 50,500 mi (2024)
FMCSA safety rating: Satisfactory · Feb 25, 2003
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

50,500

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

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Verification summaryAuthority, insurance, safety and identity facts for WILLIAM R KNOTTS JR LLC.

WILLIAM R KNOTTS JR LLC (USDOT 51578) is unrated by Vektor because the carrier's FMCSA record does not contain enough evidence for a safety score as of Jun 13, 2026.

The carrier holds active common and contract for-hire operating authority per FMCSA L&I as of Jun 13, 2026.

It has an active BIPD insurance filing with a $750,000 limit in force from SENTRY SELECT INSURANCE COMPANY effective Jan 5, 2024 in FMCSA L&I's current snapshot as of Jun 13, 2026.

Its vehicle out-of-service rate was 100.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 1 roadside inspections in the last 24 months — 1 vehicle-level and 1 driver-level — across 1 state, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.

It reports 1 power unit and 1 driver in its most recent MCS-150 filing dated Jun 25, 2025.

It has an FMCSA safety rating of Satisfactory assigned Feb 25, 2003 in the federal record refreshed Jun 13, 2026.

Frequently asked

What is WILLIAM R KNOTTS JR LLC's USDOT number?

WILLIAM R KNOTTS JR LLC's USDOT number is 51578, and its motor carrier number is MC-243452.

Is WILLIAM R KNOTTS JR LLC authorized to operate?

As of Jun 13, 2026, WILLIAM R KNOTTS JR LLC is active in the FMCSA register with common, contract, broker operating authority on file.

What is WILLIAM R KNOTTS JR LLC's safety record?

WILLIAM R KNOTTS JR LLC has a 100.0% vehicle out-of-service rate (national average 22.26%) across 1 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor does not assign this carrier a safety score: 1 federal roadside inspection in the last 24 months. FMCSA itself will not score a carrier's vehicle or driver record on fewer than 5, and neither will we — verify authority, insurance and references directly before tendering.