Butte is the registered base for 157 motor carriers, running 1,662 power units and 1,911 drivers between them. 41% run a single truck and 48% run between two and ten, which is the size band where compliance duties are full federal obligations but there is rarely a dedicated safety office.
DOT Compliance Companies in Butte, MT
DOT compliance resources for Butte carriers working in regional freight and fleet operations.
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DOT compliance providers serving Montana
The Butte carrier base in numbers
| Carriers registered locally | 157 |
|---|---|
| Single-truck operators | 65 (41%) |
| Fleets of 2 to 10 power units | 75 (48%) |
| Fleets above 50 power units | 3 |
| Carriers flagged for hazardous materials | 37 (24%) |
| Registrations added since 2025 | 15 (10%) |
| Last MCS-150 filed more than 24 months ago | 54 (34%) |
Reading the Butte figures
Hazardous materials carry more weight here than they do nationally: 37 carriers (24%) hold a hazmat flag against 7% across the country. That adds placarding, shipping papers, security plans and endorsement checks to the standard file.
The fleet mix runs well below the national shape, with 41% single-truck operators against 64% nationally. At that size the owner may handle much of the compliance administration personally. Owner-operators who are subject to Part 382 generally participate in a compliant random-testing consortium or similar third-party program.
Filing currency is the standout number here. 54 carriers, 34% of the local base, last filed an MCS-150 more than two years ago, below the national picture of 38%. The biennial update is required on the applicable filing cycle even when nothing has changed, and missing a required update can affect the carrier’s USDOT record.
Freight and routes around Butte
Butte is an operating market for mining supply, construction, regional distribution and mountain linehaul, connected by I-15, I-90 and Montana Highway 2.
Federal and Montana requirements
- FMCSA: USDOT number, operating authority, safety regulations
- Montana Department of Transportation: Intrastate registration, IRP apportioned plates, IFTA fuel tax
A change made in one system may also require a separate filing or update in the other.
Sources: Montana DOT Traveler Information, Montana DOT Motor Carrier Services, FMCSA registration guidance.
More DOT compliance locations in Montana
DOT compliance questions for Butte
Who is responsible for DOT compliance on a leased vehicle in Butte?
The records should identify the motor carrier responsible for safety and match the lease, USDOT identity, dispatch control, registration and insurance arrangement.
What should a driver release check include before using I-15, I-90 and Montana Highway 2?
Confirm qualification, medical and license status, required testing coverage, available hours, route competence and the actual assignment.
How should repeat defects be investigated around Butte?
Compare the events by unit, component, route, load and repair vendor, then test the corrective action on a later inspection or maintenance cycle.
What source data supports fuel and distance reporting?
Retain vehicle-level trip dates, locations, routes, jurisdiction distance, fuel purchases and documented corrections sufficient to reproduce the filed totals.
What is a practical first sample for a Butte compliance review?
Choose a normal trip, a delayed or substituted trip and a recently repaired unit, then trace each from release through closeout.
DOT compliance guides
Return-to-Duty Test vs Follow-Up Testing: Carrier Duties
The operational difference between the first return-to-duty test and the SAP's longer unannounced follow-up plan.
Read guideFMCSA Post-Accident Drug and Alcohol Testing: Decision Guide
A carrier-ready decision guide for fatalities, injuries, disabling damage, citations and after-hours testing deadlines.
Read guideDOT Consortium Fee Comparison Worksheet
Compare enrollment, renewals, testing charges and administrative services before selecting a consortium or C/TPA.
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