STURGIS, S.D. - The 77th annual Sturgis Motorcycle Rally is underway in the Black Hills of South Dakota.
Officials are expecting between 500,000 and 600,000 bikers this year, and public safety officials are reminding motorists to stay alert.
Speed limits around Sturgis have been reduced for safety precautions and temporary stop lights have also been added.
The 10-day rally kicked off Friday and runs through Sunday, Aug. 13.