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RCUT / J-Turn Road Safety Audit

Location: Intersection of USH 53 & CTH B, Douglas County, WI
TADI's Role: Conduct Road Safety Audit

The high-speed, at-grade intersection of USH 53/B in northern Wisconsin had substantial safety issues. Plagued by severe right-angle crashes, this junction observed three fatalities and 30 injuries in fifteen years. With volumes that did not warrant an interchange, the Wisconsin DOT turned to TADI for a solution. TADI met with the department to understand the needs of this project and community concerns. Then TADI assembled and led an all-star road safety audit team that included an experienced highway designer, a police chief, a nationally recognized traffic safety researcher, and a traffic safety engineer. A creative solution brought to light was a new type of intersection called a J-Turn (also known as a Superstreet or Reduced Conflict Intersection). The J-Turn intersection innovatively reduces conflict points while allowing all movements to be served. The DOT ultimately chose a J-Turn as the preferred improvement and since its construction in 2011, through 2014 there were 71 percent less crashes and zero angle, injury, or fatal crashes.

For more information please contact
John Campbell at [email protected]