{"data":{"id":"us-mt/61-8-312","jurisdiction":"us-mt","citation":"61-8-312","heading":"Special speed limitations on trucks, truck tractors, and motor-driven cycles.","body":"(1) Except as provided in 61-8-303, 61-8-309, 61-8-310, and subsection (2) of this section, the speed limit for a truck or truck tractor of more than 1 ton \"manufacturer's rated capacity\" traveling on:\n(a) an interstate highway, as defined in 60-1-103, is 70 miles an hour; and\n(b) any other public highway is 65 miles an hour.\n(2) Except as provided in 61-8-303, 61-8-309, and 61-8-310, the speed limit for a vehicle subject to a term permit under 61-10-124(2)(d) or a truck-trailer-trailer or truck tractor-semitrailer-trailer-trailer combination of vehicles subject to special permits under 61-10-124(3) is 65 miles an hour unless otherwise stated in the permit.\n(3) A person may not operate a motor-driven cycle at any time mentioned in 61-9-201 at a speed greater than 35 miles an hour unless the motor-driven cycle is equipped with a headlamp or lamps that are adequate to reveal a person or vehicle at a distance of 300 feet ahead.\n(4) A person who violates this section is subject to the penalties provided in 61-8-725.","path":["TITLE 61. MOTOR VEHICLES","CHAPTER 8. TRAFFIC REGULATION","Part 3. Vehicle Operating Requirements"],"source_url":"https://mca.legmt.gov/bills/mca/title_0610/chapter_0080/part_0030/section_0120/0610-0080-0030-0120.html","current_through":"Montana Code Annotated 2025","vintage":"","retrieved_at":"2026-09-14T04:57:53Z","sha256":"a276a05cbde6a17996b2924915cd11cdfa47580972b820a9c2fcd1ba5fea6f16","source_id":"us-mt","stale":false,"prev":"us-mt/61-8-311","next":"us-mt/61-8-313"},"notice":"GroundRules: Original legal text. Not legal advice."}