All lanes on northbound I-75 in Bartow County are open at exit 283 after a crash involving a pickup truck and a tanker closed lanes for nearly an hour, according to the WSB 24-hour Traffic Center.

Authorities have not said what led to the crash, but the Bartow County Sheriff’s Office said the truck was on fire.

It is not known if there were any injuries.

— Please return to AJC.com for updates.

In other news:

Here are 4 ways to celebrate America's independence this July 4th weekend 1. The Dunwoody 4th of July Parade steps off at 9 a.m. 2. 4th of July Celebration at Centennial Olympic Park. Gates open at 6 p.m. Fireworks begin around 9:45 p.m. 3. Fourth in the Park Celebration on Marietta Square There will be an arts and crafts show, free concerts, games and a fireworks show 4. Red, White & Brew at the Georgia Aquarium. 6:30-10 p.m. July 1. Tickets include, beer, BBQ, aquarium admission and music.