MnDOT finds PMBs Extend Road Service Life by Six Years
Many highway agencies recognize the benefits of using modified asphalts to reduce pavement distress and increase service life. A recent study from the Minnesota Department of Transportation (MnDOT) found that asphalt pavements with polymer-modified binders (PMBs) perform better than pavements with unmodified asphalt binders. They also found that modified binders are more cost-effective, even for local low-volume roads. While pavements with PMBs may cost more initially, performance is improved in the long run.
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