The system began operating its first segment in April 2000, expanded in phases during the next decade, and was completed with the opening of its southern terminus on January 31, 2011. The line generally runs parallel to the Hudson River and Upper New York Bay, while its northern end and its western branch travel through the lower Hudson Palisades. HBLR has twenty-four stations along a total track length of for each of its 2 tracks and served over 52,000 weekday passengers. There are plans for expansion through extensions and additional stations.