CFR›Title 23›Chapter I›23 CFR Part 810 Citation23 CFR Part 810ContainsSubparts Subpart A–Subpart DCorpusDaily eCFRDisplayed edition2026-11-02Last updated2026-11-02 PART 810—MASS TRANSIT AND SPECIAL USE HIGHWAY PROJECTS Subparts Subpart A Subpart A—General Subpart B Subpart B—Highway Public Transportation Projects and Special Use Highway Facilities Subpart C Subpart C—Making Highway Rights-of-Way Available for Mass Transit Projects Subpart D Subpart D—Federal-Aid Urban System Nonhighway Public Mass Transit Projects Authority23 U.S.C. 137, 142, 149 and 315; sec. 4 of Pub. L. 97-134, 95 Stat. 1699; secs. 118, 120, and 163 of Pub. L. 97-424, 96 Stat. 2097; 49 CFR 1.48(b) and 1.51(f).Source50 FR 33917, Aug. 22, 1985, unless otherwise noted.