More Spring Weight Restrictions
Fri, 23 Feb 2018 06:05:50 EST
More Spring weight load restrictions have been announced.
Presque Isle County and Cheboygan County will impose weight restrictions on Monday, starting at 8:00 a.m.
Alpena, Alcona and Montmorency County begin weight restrictions today (Friday).
Weight restrictions, often referred to as frost laws, are put in place as frost melts beneath a paved road. The base turns wet and spongy because water is trapped between the pavement and the remaining ice layer beneath.
When trucks and heavy equipment travel over a layer of concrete or asphalt that is not adequately supported, lots of permanent cracks or damage can occur.
Depending on weather, restrictions can remain in effect for up to two months.
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