Section, Pub. L. 93–236, title II, §205, Jan. 2, 1974, 87 Stat. 993, Pub. L. 94–5, §3, Feb. 28, 1975, 89 Stat. 7; Pub. L. 94–210, title III, §309, Feb. 5, 1976, 90 Stat. 57, established Rail Services Planning Office.