WASHINGTON — The Fairfax County Board of Supervisors has approved plans for a 140,000-square-foot Wegmans grocery store in Chantilly.

The store will anchor a new shopping center on the north side of Westfields Boulevard at Newbrook Drive.

The Wegmans will be the fourth one for Fairfax County. A smaller store is planned for the Tysons Corner area.

The shopping center will include another 46,000 square feet of restaurants and shops spread across five buildings, Fairfax County says.

Property owner Regency Center will complete Newbrook Drive on the north side of Westfields Boulevard. The road, which now makes a half a loop around the future shopping center, will circle back to a new intersection farther north on Westfields.

Improvements will be made to the intersections to accommodate traffic coming into the center.

And a 10-foot asphalt bike and walking trail will be built along Westfields. It will run around the whole center.

The county initially approved the building of offices, a hotel and retail on the site nine years ago.

In June, Wegmans opened a 126,000-square-foot store at Hilltop Village Center, a shopping and office near Fort Belvoir in the Alexandria section of Fairfax County.

Wegmans also has a store on Monument Drive in Fairfax.