The intersection of Gunn and Aams roads, pictured here in 2017, is slated to close for construction of a roundabout next week.

The intersection of Gunn and Aams roads, pictured here in 2017, is slated to close for construction of a roundabout next week.

File photo by Deb Jacques

Roundabout work to close Adams and Gunn intersection

By: Mary Beth Almond | Rochester Post | Published June 12, 2019


OAKLAND TOWNSHIP — The Road Commission for Oakland County will soon begin working on a roundabout project at Adams and Gunn roads that will involve an estimated 2 1/2-month road closure.

Barring unforeseen weather events, officials said, the project will kick off June 17, completely closing the intersection of Adams and Gunn roads until approximately Aug. 31.

“Nobody will be able to get through the intersection,” said Craig Bryson, the Road Commission communications officer.

The detour route for Adams Road traffic will be Tienken Road to Rochester Road to Orion Road to Silverbell Road and back to Adams. The detour route for Gunn Road traffic will be Kern Road to Silverbell Road to Adams Road to Tienken Road to Rochester Road to Orion Road and back to Gunn.

Officials said the construction start date was coordinated with the last day of school for Rochester Community Schools — June 14.

The district’s Delta Kelly Elementary School is located on the northwest corner of the Adams and Gunn intersection, which officials said sees over 15,000 cars per day.

“Historically, it was a two-way stop controlled intersection, and then, due to some crash history at that location, we moved it to a four-way stop — which reduced the crashes significantly, but increased delays. Our goal with this project is to not only improve safety, but also improve traffic flow through the area, and the roundabout will do that,” Road Commission Design Engineer Jeff O’Brien said.  

Bryson said cars were often pulling out from Gunn Road onto Adams Road and getting into crashes, so the Road Commission realized it needed to make a change.

“We weren’t sure at the time if that was going to be a traffic signal or a roundabout. We didn’t have any money at the time, so we put in a temporary four-way stop in the hopes of reducing the crashes there — which it did — but knowing that it was never a permanent situation. Since then, we studied the options and looked for funding, and we concluded that both from a safety and traffic-flow perspective, as well as from a funding perspective, a roundabout was the best alternative,” he said.

Safety statistics from the Federal Highway Administration document that roundabouts increase traffic capacity by 30 to 50 percent, and reduce serious injury crashes by 75 percent and traffic fatalities by 90 percent.

Once the work is completed, the new roundabout will include two lanes for Adams Road traffic and one lane for Gunn Road traffic. The project also includes the installation of curbs and gutters, and drainage improvements. High-intensity activated crosswalk pedestrian crossing beacons will be installed at the pedestrian crosswalks on the north leg of the roundabout.

The overall project will cost approximately $2.5 million, with $600,000 funded through a federal safety grant. Officials said the remainder will be shared by the Road Commission and Oakland Township.

For more information, including a detour map, call the Road Commission at (877) 858-4804 or visit