Bill > HB312

This bill revises speed limit laws in Montana, primarily focusing on increasing speed limits on certain national highways. Specifically, for national highways that are 10 miles or longer and have been expanded to four lanes, the bill establishes a daytime speed limit of 75 miles per hour and a nighttime speed limit of 70 miles per hour, provided the highway is not subject to a permanent special speed zone. The bill maintains existing speed limits for other types of roads, such as 80 miles per hour on interstate highways outside urbanized areas, 65 miles per hour within urbanized areas, 70 miles per hour during the daytime and 65 miles per hour during the nighttime on other public highways, and 25 miles per hour in urban districts. The bill also modifies penalty provisions, maintaining that minor speed limit violations (up to 10 miles over the limit during daytime or 5 miles over during nighttime) will not be recorded on a driver's record or used by insurance companies to increase premiums, with exceptions for commercial drivers and instances of exceeding 90 miles per hour. The definitions of "daytime" (one-half hour before sunrise to one-half hour after sunset) and "nighttime" (all other hours) remain unchanged.

Transportation and Infrastructure

https://bills.legmt.gov/#/laws/bill/2/LC1279