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Nov 25, 22

Northern Michigan Frost Laws

We have done some serious research and will be adding a brand new section describing freeze and thaw laws in North America. Wait a minute! Another term we hear when these restrictions are applied is “State Trunkline Roads.” Again, a common term for those affected by these laws, but a lesser-known term for the ordinary traveller. State highways that are considered long-distance highways are generally designated “M,” “I,” or “United States.” (e.g., M-43, I-94, and U.S. 131). But there are some exceptions. By law, road authorities can impose weight restrictions on all roads that are not designed as “year-round” roads. The roads throughout the season are much thicker and designed to be able to drive trucks all year round. MDOT determines when weight restrictions begin each spring by measuring frost depths along federal highways, observing road conditions and monitoring weather forecasts. The weight restrictions remain in place until the frost line is low enough to allow moisture to escape and the platforms become stable again. For detailed information on weight restrictions, link to www.michigan.gov/truckers. We are (finally) adding restrictions from the freezing law to the website.

We include information published by each state or province with links for review and additional information about the Frost Act. Closing times/dates as well as weight restrictions and reductions. Thank you for your patience and it`s always better late than never! One of the most common business interactions with a county road authority involves seasonal weight restrictions — sometimes referred to as “freeze laws.” Although roads are made of concrete and asphalt and seem indestructible, they can be very fragile at the end of winter when frost comes out of the ground. Even heavy late winter sunshine on the dark paved surface has a significant impact on a road. When frost melts under a paved road, the platform becomes wet and spongy as water is trapped between the pavement and the remaining ice layer below. If trucks and heavy equipment roll on a layer of concrete or asphalt that is not well supported underneath, many permanent cracks can occur. Download the new ARC Seasonal Weight Restrictions app for Android or iOS! Enjoy the CRA`s seasonal weight restriction dashboard wherever you are with our new mobile apps! Here, it`s a little different. What`s new in the CRA Seasonal Weight Restriction Tool? Updated color-coded map with lighter colors; Map pop-up with County Road Agency with weight restriction information including: A list of restricted roads by county; A list of roads open year-round by county; the date the information was last updated; The ability to obtain a permit online directly from Oxcart (for participating counties); A signup form to receive email notifications when counties make updates.

A brand new table view with updated map features. Click on the links below to download to your device today! Download the Android app Download the Apple app Seasonal weight restrictions in effect Road commissions must balance the status quo with road protection, and most employ licensed engineers to make these decisions. Most often, also consult nearby road agencies. By law, road authorities can impose weight restrictions on all roads that are not designed as “year-round” roads. The roads throughout the season are much thicker and designed to be able to drive trucks all year round. Seasonal weight restrictions lower axle load limits and reduce maximum driving speeds for some vehicles. Click here for more details on seasonal weight restrictions and their impact on axle load and speed limits. Please note that some restricted categories are exempt from these restrictions after approval has been submitted. For MDOT featherweight restriction bulletins on the trunkline system, click here. The MDOT source of information for commercial truck traffic can be found here. Printable page Click here for a list of contact information for the county road authorities. Seasonal weight restrictions lower axle load limits and reduce maximum driving speeds for some vehicles.

When county highway commissions decide to enact “freeze laws,” they do their best to strike a balance between truckers` normal business and protecting Michigan`s roads. The CRA says most of them employ licensed engineers to make these decisions. As a rule, most of them also consult with nearby road authorities. It would be very useful to include load restrictions to protect roads by reducing the legal axle weight of vehicles from 25% to 35% depending on road conditions. The percentage varies in some states with freezing laws. When frost melts under a paved road, the platform becomes wet and spongy as water is trapped between the pavement and the remaining ice layer below. If trucks and heavy equipment roll on a layer of concrete or asphalt that is not well supported underneath, many permanent cracks can occur. Although roads are made of concrete and asphalt and seem indestructible, they can be very fragile at the end of winter when frost comes out of the ground. Even heavy late winter sunshine on the dark paved surface has a significant impact on a road. One of the most common business interactions with a county road authority involves seasonal weight restrictions — sometimes referred to as “freeze laws.” In February, we hear about Michigan counties that have implemented seasonal weight restrictions on certain roads.

They are sometimes referred to as “freezing laws” and are generally in effect for periods from February to May. Starting Monday, April 25, at 6 a.m., weight restrictions will be lifted on all highways in the state, from Michigan`s southern border north to the Mackinac Bridge. 80,000 lb. GVW. I`m sure you know that. Perhaps I misunderstood you. Truck drivers and people who work on county highway boards know exactly what it is. If you`re like me, you probably have a general idea of them. It helps protect roads and is linked to the transition from winter to spring. But you may have wondered what additional details are about the reasons for these seasonal weight restrictions. For route designations, please refer to the MDOT Truck Operator Map. The MDOT source of information for commercial truck traffic can be found here.

Seasonal weight restrictions lower axle load limits and reduce maximum driving speeds for some vehicles. Click here for more details on seasonal weight restrictions and their impact on axle load and speed limits. Extended approvals apply only to oversizes within the restricted weight range. Click on the links below to download to your device today! Click here for a list of contact information for the county road authorities. Freeze restrictions are still in place for the rest of the state and are imposed and enforced on all state highways north of the Mackinac Bridge. State highways usually have M, I, or U.S. designations. For MDOT featherweight restriction bulletins on the trunkline system, click here. The County Road Association of Michigan (CRA) has come up with a fairly simple explanation of these efforts. District highway commissions and municipal building departments have introduced their own seasonal weight restrictions, which usually, but not always, coincide with state road weight restrictions. Typically, signs are installed to indicate which routes have weight restrictions.

If you have any information that you think might be useful for our research, please share it with us here. Here, it`s a little different. What`s new in the CRA Seasonal Weight Restriction Tool? For weight restriction information and updates, call 800-787-8960, or you can access this information on MDT`s website under www.Michigan.gov/Truckers under “Restrictions.” Year-round routes are shown in green and gold on the MDOT truck operator map, which is available online. You can also sign up to receive email notifications. Starting Monday, April 25, 2022, at 6 a.m., weight restrictions will be lifted on all highways in the state, from Michigan`s southern border north to the Mackinac Bridge, including the Mackinac Bridge. Freeze restrictions are still in place for the rest of the state and are imposed and enforced on all state highways north of the Mackinac Bridge. No individual travel permit is issued for overweight loads or loads greater than 14 feet wide, 11 axles and 150 feet total length within the weight restriction zone. Carriers in New Jersey and Canada can obtain information at 517-373-6256.

– On routes marked as “seasonal” (solid or dotted red on the MDOT map of truck operators), there will be a weight reduction of 25% for rigid pavements and 35% for flexible road surfaces. By law, road authorities can impose weight restrictions on all roads that are not designed as “year-round” roads. The roads throughout the season are much thicker and designed to be able to drive trucks all year round. Major state highways usually have M, I, or U.S. designations. For weight restriction information and updates, call 1-800-787-8960. For companies based in Canada or New Jersey, information can be obtained by calling 517-335-0023. Enjoy the CRA`s seasonal weight restriction dashboard wherever you are with our new mobile apps! When roads that have been frozen all winter begin to thaw from the surface, melting snow and ice saturates the softened soil.

During spring thaw, the platform softened by moisture trapped under the pavement makes it more vulnerable to damage. This also contributes to the pothole problems that are already occurring due to this winter`s many freeze-thaw cycles. In restricted zones, the following provisions shall apply:. Please note that some restricted categories are exempt from these restrictions after approval has been submitted. – On routes marked as “All Season Routes” (green or gold on the MDOT Truck Operators map), the legal weight of the axle is not reduced. Highway commissions must balance the status quo with road protection, and most employ licensed engineers to make these decisions. Most often, also consult nearby road agencies.