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The original item was published from 3/4/2021 9:50:21 AM to 4/17/2021 12:00:02 AM.

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Posted on: March 4, 2021


weight restrictions for 2021 on RCOC roads

The Road Commission for Oakland County (RCOC) will apply seasonal spring weight restrictions to its non-all-weather roads next Monday, March 8, at 6 a.m. The restrictions limit the amount of weight trucks can carry on the roads and are intended to minimize damage to the roads while the ground under the roads is thawing.

Anyone wanting an update on the status of the weight restrictions can call RCOC’s weight restrictions hotline at (248) 858-4765.

Each spring, in accordance with state law, RCOC reduces the weight limits on its non-all-weather roads as temperatures begin to rise and the ground begins to thaw. “As the road subsurface thaws, the road’s ability to carry weight is reduced,” explained RCOC Managing Director Dennis Kolar. “That means that a weight that wouldn’t affect the road under normal conditions might now damage the road. These restrictions help to ensure that our roads last as long as possible with as few potholes as possible.”

            The restrictions do not affect passenger vehicles but apply to commercial trucks. 

            Weight restrictions are enforced by weighmasters employed by the Road Commission, the state, local communities or the Sheriff’s Department. Violation of the weight restrictions can result in a citation and fine.

David Czerniakowski, director of RCOC’s Department of Customer Services, said the timing of this year’s weight restrictions is typical. “It is usually in late February or early March that the ground is thawing, and we must apply the restrictions,” he noted. 

Czerniakowski will recommend that the restrictions be removed when he determines that the soil is no longer saturated and the frost has thawed. He noted that the weight restrictions have an impact on several industries including building construction, because it restricts companies’ ability to move heavy equipment.

“Weight restrictions do not prevent trucks from operating,” Czerniakowski said. “They may still operate on affected roads. They simply have to operate with a reduced load on those roads, though the width and length of the truck can be a factor.”

A “truck operators’ map” is available from the Road Commission that shows which roads have weight restrictions. The map is available by calling RCOC’s Customer Services Dept. at (248) 858-4835. The map is also available on RCOC’s Web page at, and listings of the affected roads are posted on the Web site as well. 

            Individuals can also sign up for Spring Weight Restriction notifications through the RCOC website,

For a statewide listing of which counties have imposed spring weight restrictions, visit the County Road Association of Michigan (CRA) Web site,

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Editor’s note: List of roads with weight restrictions is attached.


List of roads
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