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On this week’s edition of the Talking Michigan Transportation podcast, a conversation with a trunkline pavement strategy specialist about how the work in his area helps inform investment decisions.
 Tim Lemon, who works in the Michigan Department of Transportation (MDOT) Bureau of Transportation Planning, talks about how pavement condition is measured and how the data is used.
He explains that remaining service life (RSL) is MDOT’s primary pavement condition performance measure, which indicates the number of years before the pavement is anticipated to reach poor condition. It informs decisions about priorities and which roads and bridges to address.
He also explains that while state trunklines (I, M and US routes) don’t account for the majority of road miles in the state, they carry 53 percent of total traffic and more than 75 percent of commercial traffic in Michigan.
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