I-75 Managed Lane Project Moving Along in Atlanta

| September 10, 2015


MARIETTA — Construction crews are about one-third of the way finished with the state’s $834 million managed-lanes project on Interstate 75, the most expensive project in Georgia Department of Transportation’s history.

The Northwest Corridor Express Project includes two toll lanes along Interstate 75 through Cobb and Cherokee counties. The lanes would allow drivers to travel south in the morning and north in the evening in an effort to reduce traffic on the regular lanes of the interstates.

Transportation officials estimate the new lanes will save drivers between 5 and 43 minutes of drive time, depending on length and direction of commute. The new lanes will also require a toll between $0.10 and $0.90 per mile, depending on demand.

Construction on the project, which is expected to be completed by spring 2018, is right on schedule, said John Hancock, the project’s program manager and assistant state innovative delivery engineer for GDOT.

“We’re about 33 percent along with completion of the project,” Hancock said. “Here at Delk Road, we’re actually starting the bridge construction. Some of the major work is being done. One of the things we’ve got coming up is that we’ll be shifting some ramps on I-285 over at I-75/Cobb Parkway and that area down there.”

About 273 employees are working on the project now, compared to the 144 employees working on the site in February,

Hancock said.

The state’s transportation department has four active construction sites along the 30-mile length of the project: from the I-285/I-75 interchange to Delk Road, along I-75 from Delk Road to Barrett Parkway, on I-75 from Big Shanty Road to Hickory Grove Road and on I-575 from the I-75/I-575 interchange to Sixes Road.

At these sites, crews are working on creating foundations to hold up the bridges, excavating dirt and installing concrete and asphalt paving. GDOT has 19 bridges under construction for the project as of Sept. 4 and has poured about 23,400 cubic yards of concrete for the bridges and roadways. Eight of those bridges are scheduled to be completed by the end of 2015.

“We’re moving the ramps (now) so we can actually start working in areas where the managed lanes will be tying in,” he said. “Right now we have existing (Interstate) 285 traffic that’s in place, so we’re going to move those out. We did a shift last week. There will be some shifts on 285 westbound (this) week.”

Cobb Chairman Tim Lee said the project’s progress was evidence of the state and county’s commitment to enhancing the area.

“You take what we’re doing, what the state is doing, what the (Cumberland Community Improvement District) is doing — it’s coming together,” Lee said. “We’re investing in keeping things moving and keeping that economic expansion, vitality, job creation in the right direction.”

Officials estimate the lanes will have 32,500 daily drivers on weekdays by 2020, which would give drivers two years to “get comfortable” with the lanes, Bert Brantley, deputy executive director of the State Road & Tollway Authority, has told the MDJ.

Using those projections, Brantley said, the lanes could generate about $15 million per year in tolls. That number could swell to about $28 million by 2030 if the economy and population continue to grow, which would create more demand for the lanes, Brantley said.

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1 Comment on "I-75 Managed Lane Project Moving Along in Atlanta"

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  1. Ken430TX says:

    When will Georgia DOT comply with federal law and make Georgia toll lanes accessible with EZ-Pass?