Tilly Mill Road at North Peachtree Road
The intersection at Tilly Mill Road and North Peachtree Road will be the first intersection improvement to be designed and constructed as a result of the city’s Comprehensive Transportation Plan. It was determined to be a high priority based on community input and the existing poor level of service.
This intersection and surrounding area manages traffic from five arterial and collector roads of Dunwoody, providing access to and from neighborhoods and destinations such as Georgia Perimeter College and several area public schools. As a result of these high volumes and known traffic patterns, the intersection of North Peachtree with Peeler Road will also be incorporated into this project with the addition of a traffic signal that will be synchronized with the existing signal at Tilly Mill and North Peachtree. The improvements to this intersection will reduce the average wait time experienced at these duel intersections.
Design elements such as new sidewalks and bike lanes, additional turn lanes, and pedestrian refuge islands will all improve the safety and flow of these two related intersections. Aesthetically pleasing traffic signal mast arms will replace the existing strung signal heads, enhancing the character of this area of Dunwoody.
The construction scope also includes improvements to existing stormwater infrastructure such as pipes and detention facilities to improve downstream conditions. Relocation of existing utility infrastructure, including the replacement of DeKalb County's water main through this intersection will also be incorporated into this construction. These activities require tree removal outside of the construction limits outside of the roadway improvements. The city will replace trees per its No Net Loss of Trees policy.
Current Project Phase – Construction
There has been far-reaching progress on the project which has required extensive work to construct a new stormwater detention pond, relocation of numerous utilities as well as various field adjustments in order to properly place underground and overhead service lines as part of this complex project. The construction project is expected to take approximately 16 months to fully complete. Weather permitting, the project is expected to be finished in Spring 2017.
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RECENT PROJECT UPDATES
TILLY MILL ROAD CONSTRUCTION:
March 2017 Update
The traffic signal poles and mast arms were recently installed at designated intersection corners and work crews will be on site throughout the week of March 13 to complete the signal pole wiring and properly prepare for future signal activation.
Work crews have begun preparing curb installation which will occur throughout the intersection improvement project area. Following the completion of the curb installation, work will occur on a section of storm drain pipe across from Kingswood Church on the south side of Tilly Mill Road.
Once the curb installation is complete throughout project, crews will then concentrate efforts to install the sidewalks throughout the project area, followed by grading and driveway repairs for homes within the project area.
After sidewalks and driveways have been poured and installed, preparation will begin to pave the road and intersection which is anticipated to begin in early April.
All work, curb and sidewalk installation and road paving activities are dependent on weather conditions during the construction period. Work crews will be on hand throughout construction to offer assistance and guidance on entering and exiting properties within the construction zone.
The construction project is expected to take approximately 16 months to fully complete. Weather permitting, the project is expected to be finished by Spring 2017.