TL;DR: Idaho intrastate freight carriers file insurer-transmitted Form E proof with ITD at a $750,000 floor mirroring the federal level, while agricultural, forestry, and mining operations ride a broad exemption list at the 25/50/15 base. Interstate work follows federal tiers, workers comp applies from the first employee, and brokers require $1,000,000.
Which rules apply to trucking in Idaho?
Two aligned layers with a distinctive exemption list. Interstate freight runs on the federal scheme: FMCSA authority, 49 CFR 387.9 tiers, insurer-filed BMC certificates, the MCS-90. Intrastate carriers register with the Idaho Transportation Department's Motor Carrier Services, with insurers filing Form E liability proof and Form H cargo proof for household goods movers, and the freight floor set at $750,000 combined single limit, mirroring the federal level. The Idaho wrinkle is who escapes it: Idaho Code 49-1233's exemption list lets agricultural, forestry, mining, and certain local operations ride at the state's 25/50/15 registration base instead, a recognition of the rural trades that define much of Idaho trucking.
What insurance does Idaho require?
| Operation | Requirement |
|---|---|
| Intrastate freight carriers, general | $750,000 CSL, Form E filed by the insurer |
| Exempt operations, ag, forestry, mining, certain local | 25/50/15 state base |
| Household goods movers | Form H cargo proof |
| Hazmat | Federal tiers, $1,000,000 or $5,000,000 |
| Interstate general freight | $750,000 federal floor |
| Brokered freight | $1,000,000 liability and $100,000 cargo by contract |
The alignment of state and federal floors keeps Idaho simple for general freight: one $1,000,000 policy clears everything. The exemption list matters mostly at the edges, and exempted operations hauling for brokers discover quickly that contracts do not read Idaho Code 49-1233.
How do the ITD filings work?
On the uniform forms, transmitted by the insurance company to ITD Motor Carrier Services, in the carrier's exact name, continuously. Larger fleets have a self-insurance path: 25 or more Idaho-registered vehicles with demonstrated net worth of $500,000 or more can qualify instead of filing certificates. Interstate carriers maintain the federal BMC filing in parallel from the same policy, with each system verified independently at renewals and insurer changes.
What about workers comp and injury coverage?
Idaho requires workers compensation from the first employee under Title 72, administered by the Industrial Commission, with the Idaho State Insurance Fund competing alongside private insurers. The state's signature trades, logging above all, carry serious injury profiles that comp rates price. Idaho is an at-fault tort state with no PIP layer, and its courts are moderate by national standards, though logging and mountain-highway severity give Idaho claims their own character.
What defines Idaho trucking risk?
The land and the seasons. The I-84 corridor carries the through-freight; agricultural hauling, potatoes and sugar beets, surges seasonally with harvest; timber operations in the panhandle and central mountains carry logging's rollover and terrain severity; and mountain grades with real winters shape everything north of the Snake River plain. Boise's growth adds metro exposure the state historically lacked. Underwriters price the trade mix directly: an ag hauler, a logger, and an I-84 dry van operation occupy different markets.
Where are Idaho requirements verified?
ITD Motor Carrier Services for registration and filing rules, Idaho Code 49-1233 for the exemption list, FMCSA for the federal layer, the Industrial Commission for workers comp, and the Department of Insurance, (208) 334-4250, for policy questions.
Real questions Idaho owner-operators and fleet managers ask
Does Idaho require intrastate operating authority?
Idaho runs registration and insurance filing through ITD Motor Carrier Services rather than a certificate system: insurers file Form E proof at the $750,000 freight floor, with Form H for movers, and the exemption list under Idaho Code 49-1233 carves out agricultural, forestry, and mining operations.
What are Idaho's minimum trucking insurance limits?
$750,000 combined single limit for general intrastate freight, mirroring the federal floor, with exempt rural operations at the 25/50/15 base and hazmat at federal amounts. Brokers require $1,000,000 regardless of which floor applies.
Who qualifies for Idaho's insurance exemptions?
The 49-1233 list covers agricultural, forestry, mining, and certain local operations, which ride at the state base instead of the $750,000 floor. Exempt status changes the legal minimum, not broker requirements, and hazmat always carries federal amounts.
When does an Idaho trucking company need workers comp?
From the first employee, under the Industrial Commission with the State Insurance Fund competing alongside private markets. Logging and ag hauling carry injury profiles that make comp a serious line in Idaho programs.
Can large Idaho fleets self-insure the state requirement?
Fleets with 25 or more Idaho-registered vehicles and demonstrated net worth of at least $500,000 can qualify for self-insurance with ITD instead of filing certificates. Most operations file the standard Form E through their insurer.
Can Morrow write trucking insurance in Idaho?
Not directly today. Morrow is the brand name of Afthonea Inc, licensed in Massachusetts, Florida, California, New York, Pennsylvania, Oregon, and Texas. If your trucking company is based in Idaho, we can refer you to a licensed Idaho agent, and this guide still shows you exactly what to ask that agent for. Everything above comes from public Idaho and federal sources, not from us selling you a policy.
Related Idaho trucking guides
The other Idaho trucking questions, answered the same way.
- Trucking insurance in Idaho (start here)
- Trucking insurance requirements
- Intrastate authority and filings
- Minimum liability limits for trucks
- Cost of trucking insurance
- Business insurance in Idaho
- Federal minimum liability limits by commodity
- What is an MCS-90 endorsement?
- Federal minimum liability limits by commodity
- Trucking and transportation insurance overview
This guide is general information, not legal, tax, or insurance advice. Limits, forms, and deadlines change, so verify current requirements with ITD Motor Carrier Services and the Idaho Department of Insurance before you rely on them. Morrow is a brand name of Afthonea Inc. Last updated: July 2026.