However, the proposed memorial had by 1999 become a $17 million project that would contain a visitors' center near the "Castle" at the north end of the Promenade, a clock atop a tall pedestal at the midpoint of the Promenade, a statue of Banneker in the park's circle at the south end of the Promenade and a skyway over Interstate 395 that would connect the park to the waterfront.