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Drivers wind through new interchange
by Staff Reports
June 20, 2012 10:59 AM | 917 views | 1 1 comments | 42 42 recommendations | email to a friend | print
Perimeter commuters traveling through Georgia’s first Diverging Diamond Interchange have proven they can handle change.

Dunwoody Mayor Mike Davis and City Councilman Terry Nall were the first to try out the new DDI traffic configuration when they drove across the bridge in the mayor’s car as soon as the Georgia Department of Transportation removed the barrels a little after 5 p.m. June 3. After being closed at 5 p.m. June 1, the bridge reopened to crossover traffic almost 12 hours earlier than the expected time.

In a DDI, drivers crossover to the left side of the road for improved traffic flow and safety.

“From my perspective as a passenger with the mayor, the drive was very easy to follow,” said Nall. “The directional signs above the ground and painted in the lanes and traffic signals were well-marked and easy to understand. As soon as we crossed to the southside of the interchange, we turned around and came back across to Dunwoody. It was a very easy path to follow from both directions,” said Nall.

“We’re pleased that the crossover has gone smoothly since it opened,” said Yvonne Williams, president and CEO of the Perimeter Community Improvement Districts, which initiated the DDI and secured funding for the engineering and project design. “Drivers seem to be quickly learning how to drive the DDI and traffic is flowing well.”

“The exciting next step is the protected pedestrian walkway in the bridge median,” added Williams. “There has been poor mobility for pedestrians across the interchange bridge. That will change with the installation of ADA-accessible pedestrian ramps and crosswalks plus the barrier-separated pedestrian-only corridor in the median. The barrier prevents vehicles from entering into the pedestrian zone, which will increase safety.”

The pedestrian walkway should be completed by the end of June, Williams said. In the meantime, pedestrians can use the Perimeter Center Parkway I-285 “flyover” bridge or possibly take advantage of the free company shuttles that serve office buildings on both sides of the I-285 and Ashford Dunwoody Bridge. For shuttle information, visit www.perimetergo.org.

“The DDI was the second major transportation improvement project that the PCIDs and GDOT have partnered to open in the past nine months,” Williams said. “GDOT says the DDI is likely to become a model for congested interchanges around the state.”

Did you find the new interchange easy to follow?


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Diana Rosen
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June 22, 2012
Leave your logic behind, when you drive on the left side of the road. It works and it's great!
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