Indiana transportation laws

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

Bills in scope
4bills in scope
Past committee
1past committee
Most recent action
12 March 2026most recent action

Transportation laws enacted in Indiana

One transportation law enacted in the Indiana Legislature in the 2025 and 2026 sessions, newest first. Each links to the legislature's own page.

  • SB 179Indiana department of transportation.Took effect 1 July 2026

    What it requires: The Indiana department of transportation may assume responsibilities of the United States Department of Transportation under federal environmental laws including the National Environmental Policy Act. The department waives immunity from civil liability and consents to federal court jurisdiction for assumed responsibilities. A contractor providing construction engineering inspection services is not civilly or criminally liable for third-party claims arising from motor vehicle accidents at project worksites, except for the contractor's negligence.

Transportation in Indiana, by topic

Transportation bills in Indiana

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

1Enacted

3Introduced or inactive

4 bills in scope

Introduced or inactive

3

HB 1057Automated tractor-trailers.In committee

What it would do: Requires automated tractor-trailers operated in Indiana to meet federal motor vehicle standards and prohibits their operation on highways to transport passengers or goods unless a qualified human tractor-trailer operator is physically present to monitor performance and take control if necessary.

HB 1278Restrictions on train length.In committee

What it would do: Prohibits railroads from operating trains longer than 8,500 feet on main lines or branch lines. Authorizes the Indiana Department of Transportation to impose civil penalties of $5,000 per violation.

HB 1078Elimination of lower speed limit for trucks.In committee

What it would do: Increases the maximum speed limit for vehicles with a declared gross weight greater than 26,000 pounds from 65 to 70 miles per hour on interstate highways outside urbanized areas with populations of at least 50,000 and on highways under Indiana finance authority responsibility.

Bill titles link to the Indiana 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 Indiana have a transportation law?

Yes. Indiana enacted 1 transportation law in the 2025 and 2026 sessions, among them SB 179. Each is listed on this page with what it requires.

When do Indiana's transportation laws take effect?

SB 179 on 1 July 2026.

What does Indiana legislate on most in transportation?

Truck size, weight and road use (1 bill), Freight rail (1 bill) and Autonomous trucks and delivery devices (1 bill).

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.

Other practice areas in Indiana

Transportation legislation in other jurisdictions

52 more currently hold bills in this tracker

Know when Indiana's transportation law changes

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

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