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VALIDATED

STEPHEN DAVID ZIMMER

Trust Score

Excellent Why this score?

Company CheckSTEPHEN DAVID ZIMMER · DOT 4375529

DBA: Z4 LOGISTICS

8662 E 101ST AVE, CROWN POINT, IN, 46307

DOT# 4375529 MC# 1714444 Crown Point, Indiana

MOTOR CARRIER

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1

Power Units

1

Drivers

0

Crashes (24-Month)

$1,000,000

Insurance

Not Rated

Safety Rating

0

Inspections

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Company Information

Legal NameSTEPHEN DAVID ZIMMER

DBA NameZ4 LOGISTICS

DOT Number4375529

MC Number1714444

Entity TypeMotor Carrier

Operating StatusA - Active

LocationCrown Point, Indiana

Added03/11/2025

MCS-15003/19/2026

Contact Details

PhoneSign in to view

EmailSign in to view

Physical Address8662 E 101ST AVE, CROWN POINT, IN, 46307

Mailing Address8662 E 101ST AVE, CROWN POINT, IN, 46307-8533

Operating Authorities

Authority TypeAUTHORIZED FOR HIRE

Carrier OperationA - Interstate

DocketMC1714444

CommonNot Active

ContractNot Active

BrokerNot Active

Operation Classification

Authorized For Hire

SMS BASIC Scores

FMCSA safety categories, last 24 months. Above Cutoff = FMCSA flags a problem · Below cutoff = within limits · Clean = no violations.

Unsafe Driving

measure 0 · 0 insp with violations

Clean

Hours-of-Service Compliance

measure 0 · 0 insp with violations

Clean

Driver Fitness

measure 0 · 0 insp with violations

Clean

Controlled Substances / Alcohol

measure 0 · 0 insp with violations

Clean

Vehicle Maintenance

measure 0 · 0 insp with violations

Clean

Source: FMCSA SMS, updated monthly.

Mileage

Annual Mileage10 miles

Mileage Year2024

VMT SourceMCS-150 Form

Drivers

1

Interstate

0

Intrastate

0

CDL

1

Total

Interstate >100mi0

Interstate <100mi0

Intrastate >100mi0

Intrastate <100mi0

Insurance

Amount$1,000,000

Type91X

Effective03/12/2026

CompanyPROGRESSIVE SOUTHEASTERN INSURANCE COMPANY

Policy #CA869916943

Last checked08/18/2026

Quick Facts

StatusActive

TypeMotor Carrier

Fleet1 units

Drivers1

Mileage10 mi

MCS-15003/2026

Licensing & Insurance

No insurance history records.

No active insurance policies.

Docket	Type	Action	Served	Disposition	Disp Date
MC1714444	MOTOR PROPERTY COMMON CARRIER	DISMISSED	04/17/2025	-	-

No revocation records.

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97/100

Excellent

VERIFIED

Every carrier starts at 100. We subtract points for each missing requirement or risk factor below. Verified means all four core requirements pass.

Score breakdown, from 100 to 97

97

Starts at 100−3 totalFinal 97

Operating history unknown−3

Verification, 4 core requirements

Active operating authority

FMCSA shows the USDOT registration and authority are active.

Operating authority N/A

Not required for private carriers, a private carrier hauls its own goods and needs no for-hire operating authority (no MC number) under FMCSA.

Insurance on file with FMCSA

Insurance coverage and carrier are on file with FMCSA.

Safety rating not Unsatisfactory

No Unsatisfactory rating on file.

What's lowering this score

-3

Operating history unknown

No authority grant date on file.

How we calculate the Trust Score

Every company starts at 100

We subtract points for each missing requirement or risk factor. Verified means all the core requirements for that company's type pass. Nothing is added back, the score is a deduction model built only on public FMCSA data. No pay-to-play, no opinions.

Requirements differ by company type

Each company is judged fairly on its own FMCSA obligations. Anything that doesn't apply shows as a grey N/A, not required, never a penalty.

Carrier (for-hire)

Operating authority, authorized-for-hire, insurance on file, safety rating.

Broker

Broker authority + $75k surety bond (BMC-84/85). MCS-150 not required (no fleet).

Freight forwarder

FF authority + $75k bond + BOC-3. MCS-150 not required (no trucks).

Private carrier

Active USDOT + MCS-150 + safety. No operating authority / for-hire / insurance filing required (hauls its own goods).

Crashes are scaled, not flat

Crash history is proportional. We don't apply a flat penalty, we scale it to (a) crashes per vehicle in the fleet and (b) the share of those crashes that were fatal. So a big, safe fleet barely moves; a small fleet with many (and fatal) crashes takes a large hit.

0 pts deductedscaled by rate & severityup to −28 pts

Low end

50,000 vehicles + 1 crash → ~0 pts. A huge fleet with very few crashes per vehicle is almost untouched.

High end

5 vehicles + 3 crashes incl. fatal → large deduction (near the −28 cap). Many crashes per truck, fatal-heavy.

Mechanics: deduction is capped at 28 points, weighted roughly 60% on crashes-per-vehicle and 40% on the fatal ratio. Zero crashes = zero deduction. If fleet size is unknown, only crash severity can move the score (conservative).

Out-of-service rate vs. the national average

Driver and vehicle out-of-service rates are measured against the FMCSA national average, not a flat number. A company only takes the deduction when it sits above the national benchmark, for example “Vehicle OOS 37% vs national avg 20.7%”.

Point reference, the full menu

Every factor and exactly how many points it can remove. Knockout factors (they also fail Verification) are marked.

Factor	Points
USDOT / authority not active with FMCSA knockout	−25
Missing operating authority (when required) knockout	−15
No insurance or surety bond on file (when required) knockout	−25
Unsatisfactory safety rating knockout	−30
Conditional safety rating	−12
MCS-150 biennial update overdue (carriers)	−10
Crashes, rate-adjusted (per-vehicle & fatal share)	0 to −28
Driver OOS rate above national average	−5
Vehicle OOS rate above national average	−5
Very new carrier (under 1 year)	−10
Limited operating history (1-3 years)	−6
Moderate operating history (3-5 years)	−3
Operating history unknown	−3
No public phone number	−3
No public email address	−2

All inputs come from public FMCSA records (operating authority, insurance/bond filings, the SAFER/SMS safety profile, crash & inspection reports). If FMCSA updates a record, the score updates with it. For the full deduction table, see the methodology page.