Issue · Transportation

Transportation (Roads & Highways)

Every transportation bill, vote, and legislator stance in Montana, automatically classified by Maddy, our AI policy reader.

Total bills
52
2025 Regular Session
Top supporter
Dave Fern
96% support rate
Top opponent
Dennis Lenz
21% support rate
Ranked legislators
10
5 support · 5 oppose
Key legislators

Who's moving roads & highways in Montana

Legislators moving roads & highways in Montana
Legislator Party Stance Support rate Votes
Dave Fern
Dave Fern Senate · District 2
D
Strong +
96% 24
Gayle Lammers
Gayle Lammers Senate · District 21
R
Strong +
95% 21
Butch Gillespie
Butch Gillespie Senate · District 9
R
Strong +
95% 19
Shelley Vance
Shelley Vance Senate · District 34
R
Strong +
95% 19
Steve Gist
Steve Gist House · District 25
R
Strong +
92% 13
Dennis Lenz
Dennis Lenz Senate · District 25
R
Oppose
21% 19
Tom McGillvray
Tom McGillvray Senate · District 26
R
Oppose
21% 19
Carl Glimm
Carl Glimm Senate · District 3
R
Oppose
22% 18
Daniel Emrich
Daniel Emrich Senate · District 11
R
Oppose
26% 19
Caleb Hinkle
Caleb Hinkle House · District 68
R
Oppose
27% 15
Showing 41–50 of 52 bills

All transportation bills

signed · Montana · House May 5, 2025

HB 387: Revise laws related to highway reconstruction

HB 387 revises the documents the Department of Transportation must file when establishing new or reconstructed highways. It amends current law to require the filing of a "right-of-way plan" instead of a "description and right-of-way plan." This clarifies that private property owners will not receive compensation for new buildings or improvements placed on land after the department files this right-of-way plan for a proposed highway. The bill also states that if no action to acquire the property begins within one year of filing, the highway location establishment becomes ineffective. This act takes effect on July 1, 2025.
signed · Montana · House Mar 27, 2025

HB 43: Generally revise motor vehicle traffic regulation laws

HB 43 revises Montana's motor vehicle traffic laws to improve clarity and consistency. It specifically defines "paved shoulder" to allow bicyclists to operate on shoulders (not just paved roads), updates rules for yielding to emergency vehicles, and clarifies when passing school buses is permitted. The bill also reorganizes traffic definitions and amends parking permit rules to better protect accessible parking spaces for people with disabilities. These changes directly affect drivers, cyclists, and emergency responders by standardizing road usage and accessibility requirements. The bill was signed into law by Montana's Governor on March 27, 2025.
died · Montana · Senate May 23, 2025

SB 423: Generally revise the route of the Lewis and Clark Highway

This bill revises the route of Montana's Lewis and Clark Highway specifically through Missoula, changing the path between South Higgins Avenue and Arthur Avenue north of 6th Street. It prohibits the highway from running through that residential area and requires the transportation department, with input from Missoula County and the city, to identify an alternate route that avoids residential neighborhoods. The rest of the highway route - connecting Idaho to Lolo, then to Missoula via U.S. Highway 93, and continuing east to North Dakota - remains unchanged. The bill directly affects Missoula residents in the affected neighborhoods and transportation planning officials.
Sub-Topics Roads & Highways
signed · Montana · House May 13, 2025

HB 739: Revise laws for agricultural vehicles on the highway

HB 739 revises traffic laws to improve safety when motor vehicles encounter agricultural vehicles on highways. The bill requires motor vehicle operators to reduce their speed when approaching an agricultural vehicle, either matching its speed if traveling in the same direction or reducing to half the posted limit if traveling in a different direction. It also mandates that agricultural vehicle operators move off the roadway or onto the shoulder when a line of vehicles forms behind them to allow other traffic to pass. These provisions directly affect anyone operating a motor vehicle or an agricultural vehicle on public roads.
died · Montana · House May 20, 2025

HB 172: Revise laws for prioritization of highway projects

House Bill 172 revises the process for prioritizing highway construction and reconstruction projects. It requires the Transportation Interim Committee to prepare a joint resolution for each legislative session, recommending specific projects for the Transportation Commission to prioritize. The bill also mandates that the Transportation Commission report biennially to the committee on the status of these recommended projects, explaining any reasons why a project was not prioritized. The Department of Transportation is tasked with assisting the Commission in considering these legislative recommendations.
died · Montana · House May 20, 2025

HJ 3: Joint resolution on Bowman's Corner

House Joint Resolution 3 (HJ 3) is a legislative measure that recommends the Montana Transportation Commission prioritize specific projects. It urges the Commission to focus on safety improvements at the intersection of U.S. Highway 287 and Montana Highway 200, commonly known as Bowman's Corner. This resolution serves as a recommendation from the Legislature to the Commission regarding highway construction and reconstruction project prioritization.
Sub-Topics Roads & Highways
signed · Montana · Senate May 8, 2025

SB 428: Generally revise county speed limits

SB 428 revises how local authorities and county commissions can set speed limits on roads. It allows local authorities to adjust speed limits in various areas, such as urban districts, outside urban districts, and school zones, typically requiring an engineering and traffic investigation. A key change is that boards of county commissioners can now set certain decreased speed limits on county roads, including in school zones, without first conducting an engineering and traffic investigation. The bill also specifies signage requirements for altered limits and mandates consultation with relevant bodies for school zones.
passed both · Montana · Senate May 5, 2025

SJ 16: Joint resolution on automated vehicles

Senate Joint Resolution 16 is a resolution from the Montana Legislature urging the federal government to establish safety standards for automated vehicles. It specifically calls on the U.S. Congress and the federal Department of Transportation to adopt laws and rules ensuring these vehicles can operate safely in all weather conditions, including snow and ice, and all road conditions, such as mountain passes and open range areas. The resolution highlights Montana's unique challenges, such as a high rate of animal-related car crashes, as a particular concern for automated driving systems.
signed · Montana · House Apr 3, 2025

HB 97: Allow for platooning vehicles

HB 97 allows trucks to travel in coordinated groups (called "platoons") using technology to maintain closer, synchronized spacing on Montana highways. It requires all drivers operating in a platoon - both the lead vehicle and anyone who can take control - to hold a commercial driver's license (CDL). The Department of Transportation can restrict platooning during dangerous road conditions and must consult stakeholders before creating safety rules. The law applies to trucking companies and drivers on public highways and takes effect July 1, 2025.
died · Montana · House May 22, 2025

HJ 49: Interim study of U.S. Route 212

This joint resolution (HJ 49) requests an interim study of U.S. Highway 212 east of Billings, Montana, which has the state's highest rural roadway fatality rate (2013-2022) and faces issues like poor road conditions, limited winter maintenance, and lack of cell service. The study would investigate these safety problems, gather data from Montana DOT and local communities, and examine solutions used on other rural roads. It does not create new laws but aims to develop recommendations for safer conditions. The resolution died in committee in May 2025 and never became law.
Sub-Topics Roads & Highways
Showing 41 to 50 of 52 bills
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