Carrier profile · USDOT 270551 · MC-191270 · Updated Jun 13, 2026

SOUTHWEST INTERSTATE TRANSPORTATION INC

19 power unitsavg 10.4 yrRegional · 3 statesCUMBY, TX88/100

CARRIER ACTIVEMC-191270 ACTIVERATED SATISFACTORY

Observed fleet · trailing 24 mo daily

19Power units

18 observed · MCS-150

23Trailers seen

Decoded · vPIC

10.4Avg age (yr)

1999–2023 · vPIC

Call dispatch(903) 994-4882 Email dispatchmhasten@switco.com

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Clear to load

Clear under the current scoring — review the flagged signal below before loading.

Active operating authorityInsurance on fileFatal crash on record

Watch · 1

Fatal crash on record2 crash(es) involving a fatality are on this carrier's record.

In good standing · 4

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 40 yearsOperating authority has been on file since 1986.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 91 inspections.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo17.1%

▼ 22.26% nat'l

Crashes · fatal

1 in 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo17.1%

▼ 22.26% nat'l

Crashes · fatal

1 in 24 mo

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

Fleet typeIdentity

Asset-based

19 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

10.4 yr

Model years 1999–2023 · peer benchmark unavailable.

Identity stabilityStable

40 yr unchanged

Same registration since 1986 — no chameleon / reincarnation signal.

Safety

48 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 17.1%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 — 41 vehicle and 48 driver inspections over 24 months.

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

7.7% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 13.6 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

45 inspections in the charted months · busiest month Sep '24 · 4

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

≈1.3 / unit·yr

thin signalabundant signal

Within the expected band for a 19-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.

Registered power units: 19
Inspections · 24 mo: 48
Annualized: ≈24 / yr
Coverage: ≈1.3 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.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving25 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance18 · 1 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance14 · 5 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance14 · 3 OOS
396.5 Oil and/or grease leakVehicle Maintenance11 · 1 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance11 · 1 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance8 · 6 OOS
393.53 Automatic brake adjusters / indicatorsVehicle Maintenance7 · 0 OOS
393.55 Antilock brake system (ABS)Vehicle Maintenance6 · 0 OOS
393.11 Required lamps/reflectors missingVehicle Maintenance4 · 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: Active
Broker: None

Insurance & bonds

BIPD / liability$1,000,000 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

$1M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $1M 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

$1M BIPD last filed ’23 · 20 insurers · 0 lapsesInsurer churn

State County’99–’02

Carolina’07–’11

United States’16–’19

1994200220102018now

Shorter eras are too brief to label at this scale — all 21 insurers are named in the list below.

BIPD in force — $1,000,000 · SPINNAKER INSURANCE COMPANY · since Feb 2023

All 21 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
CANAL INSURANCE CO.	Feb 2022 → Feb 2023	$1M	1
FALLS LAKE NATIONAL INSURANCE COMPANY	Feb 2020 → Feb 2022	$1M	1
UNITED SPECIALTY INSURANCE COMPANY	Feb 2019 → Feb 2020	$1M	1
UNITED STATES FIRE INSURANCE CO.	Feb 2016 → Feb 2019	$1M	1
ILLINOIS NATIONAL INSURANCE CO.	Feb 2015 → Feb 2016	$1M	1
AMERICAN ALTERNATIVE INSURANCE CORPORATION	Dec 2014 → Feb 2015	$1M	2
NEW YORK MARINE & GENERAL INS. CO.	Sep 2014 → Dec 2014	$1M	1
STRATFORD INSURANCE COMPANY	Sep 2013 → Sep 2014	$1M	1
THE CONTINENTAL INSURANCE CO.	Sep 2012 → Sep 2013	$1M	1
COMPANION PROPERTY & CASUALTY INS. CO.	Sep 2011 → Sep 2012	$1M	1
CAROLINA CASUALTY INSURANCE CO.	Sep 2007 → Sep 2011	$1M	4
GREAT WEST CASUALTY CO.	Sep 2005 → Sep 2007	$1M	1
OCCIDENTAL FIRE AND CASUALTY CO. OF N.C.	Sep 2003 → Sep 2005	$1M	2
CANAL INDEMNITY COMPANY	Sep 2002 → Sep 2003	$1M	1
STATE AND COUNTY MUTUAL FIRE INS CO	May 1999 → Sep 2002	$1M	8
LEGION INSURANCE COMPANY	Mar 1999 → May 1999	$1M	1
AMERICAN INTERNATIONAL SOUTH INSURANCE CO.	Jun 1998 → Mar 1999	$1M	1
RELIANCE INSURANCE CO/UNITED PACIFIC INSURANC	Apr 1998 → Jun 1998	$1M	1
ACCELERATION NATIONAL INSURANCE CO.	Sep 1997 → Apr 1998	$1M	3
UNITED SOUTHERN ASSURANCE CO.	Oct 1996 → Oct 1997	$1M	2
EMPIRE FIRE & MARINE INSURANCE CO.	Oct 1994 → Oct 1996	$1M	2

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 19
Observed power (24 mo): 18
Trailers (towed): 23

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

Fleet age· model years · decoded VINs

10.4 yr

Average age

2023

Newest model yr

1999

Oldest model yr

63.4%

VINs decoded

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

Operations & lanes

Revealed by inspection density across 3 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

TX busiest

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

Home base

CUMBY, TX

3373 FM 499 WEST

Top corridor

TX 39 · AR 8 · OK 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-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (5 trucks · 8 carriers)

Across all inspections on record: USDOT 3706 USDOT 3064576 USDOT 308155 USDOT 3533870 USDOT 3537190 USDOT 4157332 USDOT 1816161 USDOT 328103

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

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: 3373 FM 499 WEST, CUMBY, TX, 75433
Mailing address: PO BOX 589, CUMBY, TX, 75433
Operation: Interstate

Contact

Phone: (903) 994-4882
Cell: (903) 458-2248
Fax: (903) 994-2187
Email: mhasten@switco.com
Web domain: switco.com

Registration

Officers: Caroll Hasten · Robert Flecker
USDOT / docket: 270551 · MC-191270
First registered: Mar 26, 1986
Last MCS-150: Feb 14, 2025 · 1,339,640 mi (2023)
FMCSA safety rating: Satisfactory · Jun 1, 2011
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

1,339,640

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

No verified reviews yet

Be the first broker or shipper to rate SOUTHWEST INTERSTATE TRANSPORTATION INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.

Leave a review

Open reviews

Verification summaryAuthority, insurance, safety and identity facts for SOUTHWEST INTERSTATE TRANSPORTATION INC.

SOUTHWEST INTERSTATE TRANSPORTATION INC (USDOT 270551) has a Vektor safety score of 88/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed 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 $1,000,000 limit in force from SPINNAKER INSURANCE COMPANY effective Feb 19, 2023 in FMCSA L&I's current snapshot as of Jun 13, 2026.

Its vehicle out-of-service rate was 17.1% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 48 roadside inspections in the last 24 months — 41 vehicle-level and 48 driver-level — across 3 states, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier has 1 reportable crash in the last 24 months and 2 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.

It reports 19 power units and 18 drivers in its most recent MCS-150 filing dated Feb 14, 2025.

It has an FMCSA safety rating of Satisfactory assigned Jun 1, 2011 in the federal record refreshed Jun 13, 2026.

Frequently asked

What is SOUTHWEST INTERSTATE TRANSPORTATION INC's USDOT number?

SOUTHWEST INTERSTATE TRANSPORTATION INC's USDOT number is 270551, and its motor carrier number is MC-191270.

Is SOUTHWEST INTERSTATE TRANSPORTATION INC authorized to operate?

As of Jun 13, 2026, SOUTHWEST INTERSTATE TRANSPORTATION INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is SOUTHWEST INTERSTATE TRANSPORTATION INC's safety record?

SOUTHWEST INTERSTATE TRANSPORTATION INC has a 17.1% vehicle out-of-service rate (national average 22.26%) across 91 roadside inspections, with 1 reportable crash in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 88/100 (tier: clear).