This 2021 Edition of the Roadway Engineering Group Roadway Design Guidelines supersedes the 2012 Edition and incorporates the 2014 revisions along with several new revisions affecting bicycle and pedestrian accommodations, passing sight distance, barrier treatments, land and shoulder widths, fencing, design vehicles, and detours.
The evaluation reaffirms the conclusions of the DEIS that the National Ambient Air Quality Standards (NAAQS) will not be exceeded – including when using the mining-sector specific average silt content values recommended by EPA.
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Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.
Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.
The U.S. Department of Agriculture has approved $10 million to help pay for water projects in the farmlands of central Arizona, where growers are bracing for their supply of Colorado River water to be shut off.
But those funds, conditionally awarded this month by the Natural Resources Conservation Service, are still subject to negotiations between federal and state officials.
