SB110 Alabama 2025 Session

Updated Feb 23, 2026

Summary

Primary Sponsor: Jack W. WilliamsSenator
Republican
Session: 2025 Regular Session
Title: Trucks; additions to those exempt from weight limits; procedures for portable scales enforcement revised and provided; enforcement authority revised
Summary: SB110 broadens weight-limit exemptions for certain trucks, updates portable-scale enforcement procedures, expands enforcement authority, and updates related code language.
What This Bill Does
It adds more trucks to exemptions from highway weight limits, while maintaining per-axle and gross-weight rules; It revises portable-scale enforcement by allowing verification of portable scales at nearby platform scales (with and without officer accompaniment) and setting a formal process to resolve discrepancies (including online affidavits) with no court costs; It creates new allowances for idle-reduction technology and natural gas vehicles (APU weight +400 pounds and up to 82,000 pounds gross for natural gas vehicles on interstate highways); It empowers counties to set lower weights on county roads and allows posting of roads/bridges by the Department of Transportation; It makes nonsubstantive updates to language and clarifies exemptions for agricultural transport.

Who It Affects
Trucking industry and vehicle operators would gain expanded exemptions for certain specialized trucks and new weight allowances (APU idle reduction and natural gas vehicles), plus a farm-vehicle exemption for two- and three-axle farm transport.
Regulatory agencies and law enforcement (DOT, ALEA, weights and measures, and local authorities) would gain new enforcement procedures, scale verification options, and authority to require unloading or to move vehicles to scales.

Key Provisions
Adds certain 'Special Trucks' to exemptions from axle-spacing requirements on highways, while keeping per-axle weight limit of 20,000 pounds and the maximum gross weight table.
Special trucks (dump trucks, dump trailers, concrete mixing trucks, fuel oil/gasoline trucks, and other special-use vehicles) are not required to conform to the axle spacing in the relevant paragraph, but must still comply with overall weight limits, and all axles must be brake-equipped.
Portable scales may be used to enforce weight limits; operators may have enforcement officers accompany them to nearest platform scales within 10 miles to verify accuracy, or proceed within 100 miles for verification without an officer; if platform-scale results show weights within legal limits, the operator is not in violation and may provide a platform-scale weight ticket and affidavit online within 48 hours.
Not more than five vehicles may be detained at one time when portable scales are used.
An additional 400 pounds may be added to gross/axle/tandem/bridge weight limits when using an idle-reduction auxiliary power unit, provided weight proof/certification is available and the APUs are functional.
For natural gas vehicles, a maximum gross weight of 82,000 pounds may be allowed if the weight difference between the natural-gas system and a comparable diesel system is added to the vehicle’s weight, applied on interstate highways with EPA-certified natural gas engine or approved conversion units.
Width limits remain: total outside width not exceeding 102 inches; loads not extending beyond fenders for passenger vehicles; loads of forest products/culvert pipe not exceeding 102 inches.
Agricultural two- or three-axle vehicles used exclusively to transport agricultural commodities or to operate a farm may be exempt from the axle and gross-weight requirements.
Counties may lower weight limits on county highways; the DOT may post or limit roads and bridges to lighter weights.
All scales used must be approved by the weights and measures division of the Department of Agriculture and Industries; the act includes nonsubstantive updates to current code language; effective date is October 1, 2025.

AI-generated summary using openai/gpt-5-nano on Feb 22, 2026. May contain errors — refer to the official bill text for accuracy.
Subjects: Motor Vehicles & Traffic