To live in the northern part of Fulton County is to contend with Ga. 400.

And the Georgia Department of Transportation wants to build express lanes to ease traffic along one of metro Atlanta's main arteries, but not before hearing from residents.

From the end of February and the middle March, GDOT is holding four open houses between to discuss the project.

The lanes would stretch from the North Springs MARTA Station to McFarland Parkway and would include Georgia's first system of BRT, or bus rapid transit — a contender in the race to fix Atlanta's growing traffic problem.

Here's the map showing where, under this proposal, the new Ga. 400 express lanes would be located. (Courtesy: Georgia Department of Transportation)

Credit: Georgia Department of Transportation

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Credit: Georgia Department of Transportation

Construction would start in 2021 and last until 2024, according to a presentation a GDOT official gave to many of Fulton's mayors at a transit meeting Friday.

The lanes are included in the state's Major Mobility Investment Program, a collection of 11 major road projects partially paid for with funds from a gas tax increase and other revenue OKed by the General Assembly in 2015, according to previous reporting.

MORE ON BRT | Can fast buses help ease Atlanta's traffic nightmare?

READFulton County mayors say transit future centers on Gwinnett MARTA vote

The federal government announced in June that it would kick in $184.1 million of grant dollars.

But before Georgia officials spend — as reported earlier — an estimated $1.8 billion building 17 miles of road, here's when they want to hear from residents:

Feb. 28
11 a.m. to 2 p.m. and 4:30 to 7:30 p.m.
Hilton Garden Inn Atlanta North, 4025 Windward Plaza in Alpharetta

March 5
4:30 to 7:30 p.m.
Forsyth Conference Center, 3410 Ronald Reagan Blvd. in Cumming

March 7
4:30 to 7:30 p.m.
DoubleTree by Hilton Hotel Atlanta, 1075 Holcomb Bridge Road in Roswell

March 12
4:30 to 7:30 p.m.
City Springs, 1 Galambos Way in Sandy Springs

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From that Friday mayors meeting...

Mayors from throughout Fulton County met Feb. 22, 2019 to talk future transit and ended up centering discussions on the Gwinnett County MARTA expansion vote.