The campus is bisected by a set of railroad tracks primarily operated by Union Pacific Railroad. The area east of the railroad tracks is known as "Main Campus" and includes many of the academic buildings, the Memorial Student Center, Kyle Field, and the student dormitories. The portion of the campus west of the railroad tracks is known as "West Campus" and includes most of the other sports facilities, the business school, agricultural programs, the veterinary college, the George Bush Presidential Library and the medical school. The area of West Campus along Kimbrough Boulevard is known as "Research Park" and includes many research facilities.