Relinquishment means the conveyance of a portion of a highway ROW or facility by a grantee under title 23, United States Code, or its subgrantee, to another government agency for continued transportation use. (See part 620, subpart B of this chapter.)
23 CFR § 710.105
Terms defined in 23 U.S.C. 101(a) and 49 CFR part 24 have the same meaning where used in this part, except as modified in this section.