Published February 23, 2012, 08:24 AM
Experts: Steel cable barriers in I-29 median might have saved four NDSU students
But placement of barriers, which cost up to $150,000 per mile to install, is based on traffic volume, the number of crashes and average speeds, said Bernie Arseneau, deputy commissioner and chief engineer for the Minnesota Department of Transportation (MnDOT). "This is a very low-volume section of 94," Arseneau said.By: Paul Walsh, Star Tribune (Minneapolis)
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