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MADISON, Ala. (WHNT) –  Seven years of work finally paying off, according to Madison County and Madison city leaders.

At a press conference Friday, they announced that the Alabama Department of Transportation (ALDOT) and the United States Federal Highway Administration approved their proposal for an interchange set forth with the multi-use Town Madison project in mind.

“With this go-ahead, we can finish the design and construct the roads and ramps which will allow us to pursue the tenants necessary to provide the shopping, finish, and commercial outlets our residents need and want,” said Madison city council president Tommy Overcash.

Construction is supposed to begin next year on the interchange that will be about a half-mile west of Zierdt Road, and is set to be complete in June of 2017, relieving traffic in surrounding areas.

“This new interchange between Wall Triana and Zierdt Road will create a better opportunity to access Redstone Arsenal,” said Madison County Commission Chairman Dale Strong.

This after Madison’s second interchange was opened six months ago.

“We said ‘Let’s put a third one in to help all our citizens,'” said Mayor Troy Trulock. “Those south of 565 don’t have fast access so now the third one is going to go down there to help them as well as build the entire 700 acres of economic development.

“There’s going to be a tremendous upside for our school system,” said Madison County Commissioner Steve Haraway. “You’re talking a potential 1.8 million in tax dollars for our schools.”

The construction is projected to produce sales tax dollars every year that will be split between the Huntsville City, Madison City, and Madison County school systems.