ATLANTA — Preparations are officially underway for the 56th running of the Atlanta Journal-Constitution Peachtree Road Race, with road closures beginning today on Peachtree Road.

The stretch of Peachtree Road between Lenox Parkway and Lenox Road is now closed and will remain shut down until Friday morning. Additional rolling closures and detours are planned throughout the week as organizers set up for the massive event.

More than 52,000 runners are expected to participate in the iconic race, which kicks off Friday morning, July 4, at Lenox Square. Drivers in the Buckhead and Midtown areas are urged to plan ahead for traffic changes and allow extra time when traveling through the area.

According to the Atlanta Track Club’s website, which hosts information on the Atlanta Journal-Constitution Peachtree Road Race, several times and dates of road closures have been posted.

On Friday, July 4 starting at 4:30 a.m. until 10 a.m., the following roads will be closed.

• Peachtree Rd. from Lenox Rd. to Peachtree Dunwoody Rd.

• Around Lenox Rd. from Peachtree Road to Lenox Rd.

• Lenox Rd. from Peachtree Rd. to Ferncliff Rd.

• Buckhead Loop from Peachtree Rd. to Lenox Rd.

• Wieuca Rd. from Phipps Blvd. to Roxboro Rd.

• Roxboro Rd. from Kingsboro Rd. to Peachtree Dunwoody Rd.

• Prichard Rd. from Roxboro Rd. to Oak Valley Rd.

• Lakeside Rd. from Pritchard Rd. to Kingsboro Rd.

• Kingsboro Rd. from Roxboro Rd. to Lenox Rd.

• Oak Valley Rd. from Peachtree Rd. to E. Paces Ferry Rd

Stay with 95.5 WSB for the latest traffic updates and information.