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Motor Carrier Safety Report
USDOT 943618 · A-1 TRANSIT CORPORATION
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A-1 TRANSIT CORPORATION

USDOT 943618 MC 404792 Marathon, WI Authorized For-Hire
398 power units 241 drivers 12.1M mi/yr
Checking FMCSA… Hazmat
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Satisfactory
FRED Score 55.0 / 100 The FRED Score (0–100, higher is better) compares this motor carrier's expected crash rate with that of similar fleets. It is an analytical opinion, not an FMCSA safety rating.
Moderate confidence
25 yrs history · 127 roadside inspections in 24 months
Scored Nov 8, 2026
FRED analysis · free account

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  • Expected crashes over the next 12 months, against similar fleets
  • What drives the grade: crash history and roadside record
  • Worth a closer look: the flags to ask about, with the questions
  • How it compares with similar fleets, per power unit and per mile
  • Cargo risk, and news reports linked to its crashes
  • How the grade is calculated, and its history week by week

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Fleet, registration and cargo

Fleet and equipment

Power units
398 all owned
Drivers · CDL
241 · 241
Annual miles
12.1M ~30k per unit
TypeOwnTermTripTotal
Trucks13200132
Tractors26600266
Trailers1,143001,143

Registration

Organization
CORPORATION
Operation
Interstate
Authority type
Authorized For-Hire
Registered
Mar 28, 2001 (25 yrs)
MCS-150 update
May 2, 2025 (Address Change)
Officers
TIM SONNENTAG · BILL SONNENTAG
Phone
(715) 870-4692
Email
bill.sauter@countymaterials.com
Address
205 North Street, Marathon WI 54448

Cargo

Cargo risk score FRED’s estimate from the commodities it hauls Log in
Motor VehiclesMetal: Sheets/Coils/RollsMachinery/Large ObjectsGeneral FreightLogs/Poles/Beams/LumberBuilding MaterialsOther: CONCRETE PRODUCTSDry BulkConstruction

“General Freight” is a catch-all; the actual cargo mix and its risk may differ.

FMCSA status today

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Roadside and crash record

FMCSA record, Sep 2024 – Sep 2026
Crashes
14
0 fatal (0 deaths) · 3 injury · 3 people hurt in all
Inspections
127
53% clean (no violations)
Vehicle out-of-service
24.7%
20 of 81 vehicle inspections
Driver out-of-service
0.0%
0 of 127 driver inspections
Violations
86
22 out-of-service violations
Inspections per quarter With an out-of-service order
Q4 '24: 17 inspections, 3 out of service 17 Q4 '24 Q1 '25: 14 inspections, 1 out of service 14 Q1 '25 Q2 '25: 24 inspections, 4 out of service 24 Q2 '25 Q3 '25: 19 inspections, 3 out of service 19 Q3 '25 Q4 '25: 10 inspections, 2 out of service 10 Q4 '25 Q1 '26: 8 inspections, 2 out of service 8 Q1 '26 Q2 '26: 15 inspections, 2 out of service 15 Q2 '26 Q3 '26: 19 inspections, 3 out of service 19 Q3 '26
Sep 25–30, 2024 isn't charted (too little of that quarter is on file); the 24-month totals include its 1 inspection.
How it compares with similar fleets Crashes, inspections and violations per power unit and per mile, against fleets like this one Log in

Violations

86 on the FMCSA record, Sep 2024 – Sep 2026
  • Vehicle maintenance No alert
    62 · 22 out-of-service
    Lights 19 · Brakes 13 · Tires 10 · Cargo securement 8 · Wheels & hubs 2 · 10 more
  • Unsafe driving No alert
    22 · 0 out-of-service
    Speeding 15 · Seat belt 4 · Reckless / lane 2 · Other 1
  • Hours of service No alert
    2 · 0 out-of-service
    Logbook / ELD paperwork 2
  • Driver fitness No alert
    0
  • Drugs & alcohol No alert
    0
Out-of-service share of each category. “No alert” = under FMCSA's BASIC intervention threshold.

Violations by quarter

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1 violation falls outside the charted quarters; the 24-month totals include it.

Crashes

FMCSA record, Sep 2024 – Sep 2026 · crash reports through Sep 15, 2026
  • Sep
    2
    2026
    Sep 2, 2026 · Indiana
    Property damage only
    Daylight, two-way trafficway divided unprotected median.
  • Jun
    12
    2026
    Jun 12, 2026 · Wisconsin
    Property damage only
    Daylight, two-way trafficway divided unprotected median.
  • Jun
    11
    2026
    Jun 11, 2026 · Wisconsin
    Property damage only
    Daylight, two-way trafficway divided unprotected median.
  • May
    7
    2026
    May 7, 2026 · Minnesota
    Property damage only
    Daylight, two-way trafficway divided unprotected median.
  • Apr
    6
    2026
    Apr 6, 2026 · Florida
    Injury · 1 person hurt
    Daylight, two-way trafficway divided unprotected median.
  • Mar
    26
    2026
    Mar 26, 2026 · Missouri
    Property damage only
    Daylight, two-way trafficway divided unprotected median.
  • Mar
    16
    2026
    Mar 16, 2026 · Wisconsin
    Property damage only
    Wet road, daylight, two-way trafficway divided unprotected median.
  • Feb
    12
    2026
    Feb 12, 2026 · Wisconsin
    Property damage only
    Daylight, one-way trafficway not divided.

6 more on the FMCSA record.

Insurance filed with FMCSA

FMCSA record through May 14, 2026 · no change recorded by FMCSA since
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On FMCSA's filing record
Last on FMCSA's record (May 14, 2026)
$1,000,000 · ZURICH AMERICAN INSURANCE COMPANY
on record since Oct 1, 2006 · FMCSA minimum $750,000 · no gap on FMCSA's record since Jan 2001
Cargo filing
not required by FMCSA (household-goods motor carriers only); the cargo policy is not on FMCSA's record
36 months to May 14, 2026
  • One liability insurer throughout
  • No gap in filed liability coverage while liability was required
Authority events and every filing FMCSA’s full filing record back to the 1990s, and who else this insurer covers Log in

FMCSA filings only, not a policy audit. Not part of the FRED grade. Wrong or out of date?

Where it operates

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Map: inspections and crashes from FMCSA's weekly files over 24 months.

Inspections by state
  • Wisconsin (HQ) 53
  • Missouri 27
  • Florida 22
  • Illinois 9
  • Indiana 9
  • Minnesota 5
  • Iowa 2

42% of inspections were in its home state.

How this grade is calculated, and its history The model behind the grade: factors, credibility, peer group and the score week by week Log in
Data sourced from FMCSA. The FRED Score is an analytical opinion and is not an FMCSA safety rating. Unless a motor carrier has received an Unsatisfactory safety rating under 49 CFR Part 385 or has otherwise been ordered to discontinue operations by FMCSA, it is authorized to operate. This information is provided for informational purposes only and should not be the sole basis for any decision. Report generated · fred-score.com/carrier/943618