Carrier profile · USDOT 3320616 · Updated Sep 6, 2026

Signature Line Services LLC

19 power unitsavg 5.8 yrRegional · 6 statesBESSEMER, AL81/100
AUTHORITY STATUS UNKNOWNHAZMAT
Observed fleet · trailing 24 mo daily
19Power units
8 observed · MCS-150
Trailers seen
None observed · 24 mo
5.8Avg age (yr)
2013–2026 · vPIC
USDOT registration7 yr registered
Authority not on file
Insurance (BIPD) unknown
No filing on record
Vehicle OOS · 24-mo33.3%
▲ 22.26% nat'l
Crashes · fatal0
2 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 peersNewer

5.8 yr

Model years 2013–2026 · peer benchmark unavailable.

Identity stabilityStable

7 yr unchanged

Same registration since 2019 — no chameleon / reincarnation signal.

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Verification summaryAuthority, insurance, safety and identity facts for SIGNATURE LINE SERVICES LLC.

SIGNATURE LINE SERVICES LLC (USDOT 3320616) has a Vektor safety score of 81/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Sep 6, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Sep 6, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Sep 6, 2026.

Its vehicle out-of-service rate was 33.3% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Sep 6, 2026.

The carrier received 9 roadside inspections in the last 24 months — 6 vehicle-level and 9 driver-level — across 6 states, according to FMCSA roadside-inspection data refreshed Sep 6, 2026.

The carrier has 2 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Sep 6, 2026.

It reports 19 power units and 19 drivers in its most recent MCS-150 filing dated Jun 30, 2025.

It has no FMCSA-assigned safety rating in the federal record refreshed Sep 6, 2026.

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Frequently asked

What is SIGNATURE LINE SERVICES LLC's USDOT number?

SIGNATURE LINE SERVICES LLC's USDOT number is 3320616.

Is SIGNATURE LINE SERVICES LLC authorized to operate?

As of Sep 6, 2026, SIGNATURE LINE SERVICES LLC is active in the FMCSA register.

What is SIGNATURE LINE SERVICES LLC's safety record?

SIGNATURE LINE SERVICES LLC has a 33.3% vehicle out-of-service rate (national average 22.26%) across 15 roadside inspections, with 2 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 81/100 (tier: review).

How big is SIGNATURE LINE SERVICES LLC's fleet?

SIGNATURE LINE SERVICES LLC operates 19 power units and 19 drivers per its most recent MCS-150 filing.

Where is SIGNATURE LINE SERVICES LLC based?

SIGNATURE LINE SERVICES LLC is based in BESSEMER, AL, with roadside inspections recorded across 6 states.

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