Does a Alaska truck need a USDOT number for in-state work?

Yes. Alaska requires a USDOT number for in-state commercial vehicles at 10,001 lb and over (GVWR, GCWR or actual weight), even if they never cross a state line.

Checked against Alaska’s official sources in September 2026.

The rule in Alaska

Who it covers: Any person driving a commercial motor vehicle, or any company whose business involves operating one, in Alaska; intrastate-only carriers must obtain an intrastate USDOT number and renew the report every 24 months.

The weight line: The rule applies to 'commercial motor vehicles as defined in 49 C.F.R. 390.5', which is 10,001 lb or more by rating or actual weight, whichever is greater. Alaska DOT&PF describes a commercial vehicle as 10,001 lb GVWR or more used in commerce.

Exemptions the state lists:

Intrastate vehicles of 26,000 lb or less used in the operator's fishing operations, by holders of specified fishing licenses/registrations, outside the Municipality of Anchorage and City of Fairbanks, not hauling placarded hazmat or more than 15 people (17 AAC 25.210(j))

“A motor carrier that conducts operations in intrastate commerce, and only in intrastate commerce, shall file a motor carrier identification report with the FMCSA and receive an intrastate USDOT identification before the motor carrier begins operations.” source

“Any vehicle or combination of vehicles with a Gross Vehicle Weight Rating of 10,001 pounds or greater used in commerce, a vehicle used to transport HAZMAT or a passenger vehicle with a capacity of 16 or more (including the driver).” source

The rule: 17 AAC 25.210(d)-(g)

Who to ask: Alaska Department of Transportation & Public Facilities, Measurement Standards & Commercial Vehicle Compliance (MS/CVC)

Safety rules for in-state trucks

Alaska adopts by reference 49 CFR Parts 381, 385, 387, 390, 391, 392, 393, 396, 397 and 399 (as revised March 15, 2023) for anyone driving or operating commercial motor vehicles, with state modifications. Part 395 (hours of service) is not in this list. (17 AAC 25.210(a)-(b))

Intrastate drivers of vehicles over 14,000 lb but under 26,001 lb may be 18 (21 for placarded hazmat or 16+ passenger vehicles).
Intrastate-only carriers meet the state's financial-responsibility minimums (AS 19.10.300) instead of the federal 49 CFR 387.9 amounts, with an exception for one federal schedule item.
Alaska DOT&PF says anyone driving a commercial vehicle of 10,001 lb GVWR or more needs a medical card.

The federal lines, which apply in Alaska too

10,001 lb and interstate commerce: a USDOT number, a medical card, a driver qualification file, the hours-of-service rules and daily inspections (49 CFR 390.5).
26,001 lb: a CDL, for a single vehicle or a combination towing more than 10,000 lb (383.5). The CDL rules cover in-state driving as well (383.3), and drug and alcohol testing follows the CDL (382.103).

Check your own truck and trailer

Questions

Does Alaska require a USDOT number for intrastate trucks?

Yes. Alaska requires a USDOT number for in-state commercial vehicles at 10,001 lb and over (GVWR, GCWR or actual weight), even if they never cross a state line.

What is the CDL weight in Alaska?

The same as everywhere: 26,001 lb for a single vehicle, or a combination of 26,001 lb towing more than 10,000 lb. The federal CDL rules apply to in-state driving too (49 CFR 383.3), and drug and alcohol testing follows the CDL (382.103).

Who administers the rule in Alaska?

Alaska Department of Transportation & Public Facilities, Measurement Standards & Commercial Vehicle Compliance (MS/CVC).

What we could not confirm

Whether Alaska applies the federal hours-of-service rules to in-state carriers was not confirmed: Part 395 is not in the list of federal rules Alaska's regulation adopts.

Sources

General information, not legal advice. It summarises Alaska’s published rules as read in September 2026; confirm with Alaska DOT&PF or FMCSA.