Carrier profile · USDOT 33437 · MC-231551 · Updated Jun 13, 2026

DUVALL BUS SERVICE LLC

0 power unitsLocal · 2 statesWEST GROVE, PA100/100

CARRIER ACTIVEMC-231551 ACTIVERATED SATISFACTORY

Observed fleet · trailing 24 mo daily

0Power units

4 observed · MCS-150

—Trailers seen

None observed · 24 mo

7.0Avg age (yr)

2014–2026 · vPIC

Call dispatch(610) 869-2881 Email dispatchZINARONCA@DUVALLBUSSERVICE.COM

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Clear to load

Active authority and a clean federal record. No blocking issues found.

Active operating authorityInsurance on file

Watch · 0

Nothing flagged.

In good standing · 5

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.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 42 inspections.No BASIC safety alertsNo FMCSA intervention thresholds are currently exceeded.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$4M in force

FMCSA L&I

Vehicle OOS · 24-mo0.0%

▼ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$4M in force

FMCSA L&I

Vehicle OOS · 24-mo0.0%

▼ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

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

Fleet typeIdentity

Asset-based

0 power units. 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

25 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 0.0%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 — 21 vehicle and 25 driver inspections over 24 months.

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

0.0% · latest 6-mo window● Steady

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Holding steady 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

25 inspections in the charted months · busiest month May '26 · 10

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.

Violation themes· decoded · grouped by BASIC

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

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving2 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance1 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance1 · 0 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: None
Broker: None

Insurance & bonds

BIPD / liability$4,000,000 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

$4M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $4M 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

$5M BIPD last filed ’14 · 2 insurers · 0 lapsesContinuous

Quaker City’94–’97

Selective South’96–’14

beyond this history

1994200220102018now

Shorter eras are too brief to label at this scale — all 2 insurers are named in the list below.

BIPD in force — $4,000,000 · SELECTIVE WAY INSURANCE COMPANY · since Dec 2013

All 2 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
SELECTIVE INSURANCE COMPANY OF SOUTH CAROLINA	Oct 1996 → Jan 2014	$5M	7
QUAKER CITY INSURANCE COMPANY	Jul 1994 → Oct 1997	$5M	1

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 0
Observed power (24 mo): 4
Trailers (towed): 0

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 2 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

PA busiest

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

Home base

WEST GROVE, PA

664 WEST AVONDALE RD

Top corridor

PA 20 · NJ 5

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: 664 WEST AVONDALE RD, WEST GROVE, PA, 19390
Operation: Interstate

Contact

Phone: (610) 869-2881
Fax: (610) 869-4791
Email: zinaronca@duvallbusservice.com
Web domain: duvallbusservice.com

Registration

Officers: Sandra Duvall Wolfe · Zina Ronca
USDOT / docket: 33437 · MC-231551
First registered: Jun 1, 1974
Last MCS-150: Jan 6, 2026 · 863,330 mi (2025)
FMCSA safety rating: Satisfactory · Feb 23, 2024
D-U-N-S: —

Fleet (self-reported · MCS-150)

—Power units

Drivers

CDL drivers

863,330

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 DUVALL BUS SERVICE LLC.

DUVALL BUS SERVICE LLC (USDOT 33437) has a Vektor safety score of 100/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.

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

It has an active BIPD insurance filing with a $4,000,000 limit in force from SELECTIVE WAY INSURANCE COMPANY effective Dec 5, 2013 in FMCSA L&I's current snapshot as of Jun 13, 2026.

Its vehicle out-of-service rate was 0.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 25 roadside inspections in the last 24 months — 21 vehicle-level and 25 driver-level — across 2 states, 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 0 power units and 55 drivers in its most recent MCS-150 filing dated Jan 6, 2026.

It has an FMCSA safety rating of Satisfactory assigned Feb 23, 2024 in the federal record refreshed Jun 13, 2026.

Frequently asked

What is DUVALL BUS SERVICE LLC's USDOT number?

DUVALL BUS SERVICE LLC's USDOT number is 33437, and its motor carrier number is MC-231551.

Is DUVALL BUS SERVICE LLC authorized to operate?

As of Jun 13, 2026, DUVALL BUS SERVICE LLC is active in the FMCSA register with common, contract, broker operating authority on file.

What is DUVALL BUS SERVICE LLC's safety record?

DUVALL BUS SERVICE LLC has a 0.0% vehicle out-of-service rate (national average 22.26%) across 42 roadside inspections, with 0 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 100/100 (tier: clear).