Mont. Code Ann. § 61-8-725
(1) A person shall be fined for violating the maximum speed limit in accordance with the following schedules:
(a) for a violation of 61-8-303(1)(a):
Amount of Fine MPH in Excess of Speed Limit $40 1 - 10 (daytime) 40 1 - 10 (nighttime) 70 11 - 20 120 21 - 30 200 31+
(b) for a violation of 61-8-303(1)(b) or (1)(c), 61-8-309, or 61-8-312:
Amount of Fine MPH in Excess of Speed Limit $20 1 - 10 (daytime) 20 1 - 10 (nighttime) 70 11 - 20 120 21 - 30 200 31+
(2)
(a) A violation of a speed limit imposed pursuant to 61-8-303 is not a criminal offense within the meaning of 3-1-317, 45-2-101, 46-18-236, 61-8-104, and 61-8-711 and, except as provided in subsection (2)(b) or (4), may not be recorded or charged against a driver's record, and an insurance company may not hold a violation of a speed limit against the insured or increase premiums because of the violation if the speed limit is exceeded by no more than:
(4) The recordkeeping restrictions provided in subsection (2) with respect to a person's driving record do not apply to a speed limit violation or conviction that was committed by:
History: En. Sec. 3, Ch. 43, L. 1999; amd. Sec. 1, Ch. 4, Sp. L. June 1999; amd. Sec. 26, Ch. 428, L. 2005; amd. Sec. 8, Ch. 393, L. 2013; amd. Sec. 4, Ch. 395, L. 2015; amd. Sec. 2, Ch. 255, L. 2025.