[List of CFR Sections Affected (LSA), October 2015] [From the U.S. Government Publishing Office, www.gpo.gov] TITLE 23_HIGHWAYS Chapter I_Federal Highway Administration, Department of Transportation (Parts 1_999) 172 Added.......................................................15-29927 625.4 (a), (b) and (d) revised; (e) added.......................15-61307 650 Authority citation revised..................................15-41368 650.501--650.517 (Subpart E) Added..............................15-41368 Proposed Rules: 515.............................................................15-17371 625.............................................................15-31327 630.............................................................15-36939 635.............................................................15-36939 924.............................................................15-57564 1200............................................................15-57564