- 2025 69th Legislature 2025 HB 739 - 1 - Authorized Print Version – HB 739 ENROLLED BILL AN ACT REVISING LAWS REGARDING AGRICULTURAL VEHICLES; REQUIRING MOTOR VEHICLES TO SLOW DOWN WHEN APPROACHING AN AGRICULTURAL VEHICLE; REQUIRING AN AGRICULTURAL VEHICLE TO MOVE OVER WHEN SAFE TO ALLOW VEHICLES TO PASS; AND PROVIDING A DEFINITION DEFINITIONS.” BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF MONTANA: Section 1. DEFINITIONS. (1) The operator of a moving motor vehicle when approaching an agricultural vehicle that is traveling in the same direction on a highway: (a) shall cautiously and carefully reduce the vehicle's speed to the speed of the agricultural vehicle; and (b) may pass the agricultural vehicle when it is safe to do so where passing is allowed. (2) The operator of a moving motor vehicle when approaching an agricultural vehicle traveling in a different direction shall cautiously and carefully reduce the vehicle's speed to a speed that is one-half the speed of the posted speed limit. If there are multiple lanes of traffic that the operator of a moving motor vehicle subject to this subsection (2) may be traveling in, the operator shall move out of the lane closest to the center line when it is safe to do so. (3) The operator of an agricultural vehicle behind which a line of vehicles has formed shall turn off the roadway highway at the nearest area where a sufficient and safe turnout exists in order to permit the vehicles following it to proceed. If the shoulder of the highway to the right of the slow-moving vehicle is wide enough and is in a condition that allows safe travel, the operator of the slow-moving agricultural vehicle may drive onto the shoulder and proceed at a safe speed until the other vehicles have passed. (4) As used in this section, the following definitions apply: - 2025 69th Legislature 2025 HB 739 - 2 - Authorized Print Version – HB 739 ENROLLED BILL (a) "agricultural Agricultural vehicle" means: (a)(i) a farm tractor as defined in 61-9-102; (b)(ii) an implement of husbandry as defined in 61-1-101; (c)(iii) a self-propelled farm equipment unit; (d)(iv) a combination of farm tractor and towed unit of farm equipment or implement of husbandry; or (e)(v) a vehicle used for hauling hay, straw, or both. (b) "Highway" has the same meaning as provided in 61-1-101. (c) "Motor vehicle" has the same meaning as provided in 61-1-101. Section 2. [Section 1] is intended to be codified as an integral part of Title 61, chapter 8, part 3, and the provisions of Title 61, chapter 8, part 3, apply to [section 1]. - END - I hereby certify that the within bill, HB 739, originated in the House. ___________________________________________ Chief Clerk of the House ___________________________________________ Speaker of the House Signed this _______________________________day of____________________________________, 2025. ___________________________________________ President of the Senate Signed this _______________________________day of____________________________________, 2025. HOUSE BILL NO. 739 INTRODUCED BY E. BYRNE, B. MITCHELL AN ACT REVISING LAWS REGARDING AGRICULTURAL VEHICLES; REQUIRING MOTOR VEHICLES TO SLOW DOWN WHEN APPROACHING AN AGRICULTURAL VEHICLE; REQUIRING AN AGRICULTURAL VEHICLE TO MOVE OVER WHEN SAFE TO ALLOW VEHICLES TO PASS; AND PROVIDING A DEFINITION DEFINITIONS.”