In 1876 the CRRLI was acquired by the LIRR and Stewart's line became known as the LIRR's Central Branch. The portion from Flushing to the Creedmoor Rifle Range, which became Creedmoor State Hospital) was abandoned in 1879, although the tracks were not removed until World War I.
In 1876, the CRRLI was incorporated into the LIRR, and Stewart's line was designated as the LIRR's Central Branch. The section of track from Flushing to the Creedmoor Rifle Range, which later became Creedmoor State Hospital, was discontinued in 1879, although the tracks were not removed until World War I.