Washington transportation laws

What Washington has enacted on transportation, what each law requires, and what the bills still moving would do. Washington is one of 41 states that enacted a transportation law in the 2025 and 2026 sessions.

8 new Washington laws take effect in 2027

Bills in scope
17bills in scope
Past committee
10past committee
Most recent action
30 March 2026most recent action

Transportation laws enacted in Washington

5 transportation laws enacted in the Washington Legislature in the 2025 and 2026 sessions, newest first. Each links to the legislature's own page.

  • SB 5820Concerning the responsibility of certain counties to include freight rail dependent use overlay as part of the transportation element of their comprehensive plan.Enacted 30 March 2026

    What it requires: Counties bordering both the Cascade mountains and another country with populations under fifty thousand, and cities in such counties, may adopt development regulations allowing agriculture, forest, and mineral resource lands adjacent to short line railroads to be developed for freight rail dependent uses. Such counties and cities may include this development in their transportation element.

    Freight rail

  • HB 2179Concerning membership in the public employees' retirement system for port workers who participate in a federal railroad retirement plan, a union-sponsored defined benefit retirement plan, or another employer-funded private pension plan. (REVISED FOR ENGROSSED: Concerning membership in the public employees' retirement system for port workers who participate in a federal railroad retirement plan.)Enacted 23 March 2026

    What it requires: Persons employed by a port district who participate in a federal railroad retirement plan are excluded from membership in the public employees' retirement system for periods of service covered by that plan. Port districts may not require such employees to participate in the public employees' retirement system for those periods.

    Freight rail, Ports, maritime and freight corridors

  • SB 6132Authorizing a narrow modification to indebtedness limits for select inland port districts to ensure continued eligibility for federal funding for rail, power, and other critical public infrastructure improvements.Enacted 20 March 2026

    What it requires: Port districts meeting specified conditions may contract indebtedness or borrow money and issue general obligation bonds not exceeding an additional 0.25 percent of taxable property value without voter authorization. Conditions require an increment area under chapter 39.114 RCW, estimated taxable assessed value between $6,000,000,000 and $7,000,000,000, increment area value less than $150,000,000, and use of indebtedness for public improvements under chapter 39.114 RCW.

    Freight rail, Ports, maritime and freight corridors

  • HB 2410Establishing a commercial truck safety and education council.Enacted 16 March 2026

    What it does: Establishes the Washington state commercial truck safety and education council within the traffic safety commission to recommend programs improving commercial truck safety through driver education and training. Increases the commercial vehicle safety enforcement fee from $16 to $32 and creates an account to fund council activities.

    Motor carriers and commercial drivers

  • SB 5995Concerning moneys available to a port district allocated for the purchase of zero and near zero emission cargo handling equipment.Enacted 16 March 2026

    What it requires: Port districts and port development authorities shall not use available moneys to purchase fully automated marine container cargo handling equipment. They may use available moneys to purchase zero and near zero emissions cargo handling equipment and infrastructure supporting that equipment for their own use or for tenants or lessees.

    Truck and fleet emissions, Ports, maritime and freight corridors

Transportation in Washington, by topic

Transportation bills in Washington

The bills not yet law, furthest along first, with what each would do.

5Enacted

5Past committee

7Introduced or inactive

17 bills in scope

Past committee

5

HB 1898Concerning truck and trailer length limitations.Passed committee

What it would do: Amends truck and trailer length limitations on Washington public highways by specifying maximum lengths for various vehicle types, including 40 feet for standard vehicles, 46 feet for transit vehicles, 53 feet for semitrailers, and 85 feet for empty flatbed trailers or those carrying agricultural products.

HB 1058Providing incentives to improve freight railroad infrastructure.Passed committee

What it would do: Creates tax credits for class II and III railroads and rail facility owners for qualified maintenance, modernization, and new development expenditures, with credits up to 50 percent of expenses capped at $500,000 per taxpayer annually and $8,000,000 statewide. Also exempts track maintenance materials from sales and use taxes and allows donated railroad materials to generate credits.

HB 1532Authorizing funding tools to mitigate the impact of sales tax sourcing in certain cities that host industrial and warehousing industries.Passed committee

What it would do: Authorizes certain cities with populations over 120,000 in counties with populations over 1,500,000 and industrial/warehousing assessed valuation exceeding 25 percent to impose a sales and use tax of up to 0.3 percent for community vitality purposes.

SB 5464Promoting the better understanding of certain federal standards related to commercial driver's licenses.Passed committee

What it would do: Requires the Department of Licensing to update rules clarifying how federal standards on domicile and immigration status affect commercial driver's license eligibility, provide staff training on documentation and application options, and distribute materials to training schools and applicants about these requirements.

SB 5484Concerning payments to tow truck operators for the release of vehicles to indigent citizens.Floor vote

What it would do: Creates a program for the Department of Licensing to compensate registered tow truck operators for releasing vehicles to indigent owners who cannot afford towing fees, funded from excess impound account revenues, subject to appropriation and eligibility requirements.

Introduced or inactive

7

HB 2715Concerning moneys available to a port district allocated for the purchase of zero and near zero emission cargo handling equipment.In committee

What it would do: Allows port districts and port development authorities to use available moneys to purchase zero and near zero emission cargo handling equipment and supporting infrastructure, but prohibits use of such moneys for fully automated marine container cargo handling equipment.

HB 2398Establishing business and occupation and public utility tax credits for small business employers providing maritime trade educational assistance.In committee

What it would do: Creates business and occupation and public utility tax credits for small businesses employing 50 or fewer people that provide maritime trade educational assistance to employees working on U.S. flagged vessels, allowing credits up to $20,000 per year beginning January 1, 2027, expiring January 1, 2038.

SB 6098Concerning the annual reporting of information associated with sales of vehicles subject to the advanced clean trucks regulations.In committee

What it would do: Requires the joint legislative audit and review committee to annually report to the legislature on state and local sales and use tax collections associated with regulated vehicles under the advanced clean trucks regulations, including sales volumes, tax impacts, and comparative analysis with other states, through June 1, 2035.

HB 1862Regulating the length of trains on railroads.In committee

What it would do: Prohibits railroad carriers from operating trains exceeding 8,500 feet in length in Washington, except by commission approval for up to 10,000 feet with additional safety requirements. Establishes fines starting at $25,000 for first violations, doubling for subsequent offenses.

HB 1948Reducing environmental and health disparities and improving the health of Washington state residents in large port districts.In committee

What it would do: Requires port districts authorized to abate aircraft noise to adopt environmental justice implementation plans and community engagement plans, and to assess cumulative environmental health impacts on overburdened communities before approving capital projects of $8,000,000 or more or airport gate increases.

HB 1984Concerning vehicle and operator requirements for autonomous vehicles.In committee

What it would do: Requires a human safety operator physically present in autonomous vehicles operating at SAE level three, four, or five on Washington highways to transport passengers or goods. Amends testing requirements to include advance notice to law enforcement and collision reporting.

SB 5518Authorizing funding tools to mitigate the impact of sales tax sourcing in certain cities that host industrial and warehousing industries.In committee

What it would do: Authorizes cities with population over 120,000 in counties with 1,500,000+ population to impose a sales and use tax up to 0.3 percent if at least 25 percent of assessed valuation is zoned industrial or warehousing, with revenue for community vitality and tax duration limited to 20 years.

Bill titles link to the Washington Legislature's own page.

What LawSignals covers

What counts as transportation legislation

In scope: Motor carriers and commercial drivers; truck size, weight and road use; truck and fleet emissions; hazardous materials transport; freight rail; ports, maritime and freight corridors; warehouses and delivery; and autonomous trucks and delivery devices.

Questions

Does Washington have a transportation law?

Yes. Washington enacted 5 transportation laws in the 2025 and 2026 sessions, among them SB 5820, HB 2179 and SB 6132. Each is listed on this page with what it requires.

Which transportation bills are moving in Washington?

5 bills not yet law have passed a committee or a chamber, the furthest along HB 1898 (passed committee), HB 1058 (passed committee) and HB 1532 (passed committee).

What does Washington legislate on most in transportation?

Ports, maritime and freight corridors (6 bills), Freight rail (5 bills) and Truck and fleet emissions (4 bills).

Are these summaries reviewed by a lawyer?

No. Which bills count as Transportation bills, and the line on what each law requires or each bill would do, are drafted by software from the bill's own text and not reviewed by an attorney. Every bill links to the legislature's own record: read the text before relying on it. The list covers bills from the 2025 and 2026 sessions.

Know when Washington's transportation law changes

An alert when a bill moves, and one report a month on what changed in every state and Congress.