The bill amends several sections of the General Laws in Chapter 31-25, which pertains to size, weight, and load limits for vehicles. Key changes include the introduction of exemptions for road machinery actively participating in work within a work zone, as well as specific provisions for farm vehicles and public transit authority vehicles. The bill establishes that farm machinery and farm vehicles hauling non-divisible farm machinery are exempt from maximum width, maximum length, and axle load limits while incidentally operated on highways. Additionally, vehicles hauling fodder or forage for farming purposes are exempt from load covering provisions.

The maximum length for articulated buses has been increased from forty feet to forty-five feet. New regulations regarding axle load limits specify that single axle weight limits shall not exceed twenty-two thousand four hundred pounds (22,400 lbs.) or the gross axle weight rating set by the manufacturer. The bill also mandates that vehicles equipped with lift axles must have them down whenever carrying a load, with penalties for violations set at one hundred dollars ($100).

Furthermore, the bill outlines the authority of the Department of Transportation to issue special permits for vehicles exceeding standard size or weight limits. It specifies travel restrictions for oversized vehicles during peak hours and on certain holidays, including Independence Day, Veterans Day, Christmas Day, New Year's Day, and Juneteenth. Overall, the act aims to modernize and clarify the regulations governing vehicle size, weight, and load limits in the state.