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Holcomb Bridge/Ga. 400 improvements tied to T-SPLOST
by Joan Durbin
July 03, 2012 12:48 PM | 3828 views | 1 1 comments | 20 20 recommendations | email to a friend | print
Proposed changes to the Holcomb Bridge/Ga. 400 intersection.
Proposed changes to the Holcomb Bridge/Ga. 400 intersection.
An ambitious string of projects aimed at improving traffic congestion along the Holcomb Bridge Road corridor at Ga. 400 is awaiting the outcome of the July 31 referendum on Georgia’s Transportation Investment Act.

A revamp of the interchange itself is expected to cost between $22 to $36 million. Roswell’s portion of the $7.2 billion that referendum would authorize is $48 million.

“If the TIA passes, that gets built,” Roswell Transportation Director Steve Acenbrak told city council members in a workshop last week.

The remainder of the $48 million would fund two other projects, the Gateway Project at S. Atlanta Street/Hwy 9 and Houze Road/Rucker Road projects.

In addition to the new Ga. 400 interchange, there are several other important improvements the city’s consultant and staff are recommending for the Holcomb Bridge Corridor.

Some, such as new designs for a southbound on ramp at Ga. 400 and the northbound ramp at the intersection of Holcomb Bridge and the interstate, are already programmed for funding by the state Department of Transportation.

Others include a new early off ramp northbound on Ga. 400 and improvements to Holcomb Bridge intersections at Warsaw Road and at Holcomb Woods Parkway as well as a new overpass at Dogwood Road.

Funding for these could come from a variety of sources, such as federal and state transportation agencies and well as possible bonds.

Projects have been tentatively prioritized into groups. The short-term projects are forecast to take two to five years to complete. Mid-range projects would take six to 12 years and long-range, 20 years or more.

The three projects that would utilize TIA money are in the mid-range category.

Also known as T-SPLOST, the TIA referendum would allow a new one cent special local sales tax in 12 separate districts. The money raised could be spent only for design and construction of transportation projects in that district.

Making the recommended interchange improvements at Holcomb Bridge Road/Ga.400 is one of the 157 regional projects.

Roswell Councilwoman Betty Price said some work will be done in the corridor whatever the outcome of the referendum.

“Whether or not T-SPLOST passes, some interim improvements will be evident in the near future,” she said.

“With additional funding and guided by the recommendations of this study, whole-scale improvements can be made in the future that will revitalize this inadequate intersection, bringing with it a welcoming and functional entrance to Roswell from 400.”

Roswell Transportation Planner Anthony Antweiler said public feedback on the draft project prioritization and implementation plan has been positive.

“Most people we speak with are supportive of the concepts and agree transportation improvements and aesthetic improvements are overdue,” he said the morning after the final public informational meeting last week.

“We will review the comment cards received last night, incorporate feedback on project priorities and finalize the report,” he said.

The final report will then be presented to the city council and “the next step is to fund design for short-term projects,” Antweiler said.

For a look at project descriptions, go to

To see an animation of how the proposed additions and improvements to the Holcomb Bridge/Ga. 400 intersection would work, go to /index.aspx?NID=1273.

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