Your search Notice: Eighth Circuit Rule 28a(k) Governs Citation of Unpublished Opinions and Provides That They Are Not Precedent and Generally Should Not Be Cited Unless Relevant to Establishing the Doctrines of Res Judicata, Collateral Estoppel, the Law of the Case, or if the Opinion Has Persuasive Value on a Material Issue and No Published Opinion Would Serve As Well.dennis Coggins, Appellant, v. Dan Flowers, Head of Arkansas State Highway &transportation; John Bailey, Chief, Arkansas State Highwaypolice; John M. Lipton, Commissioner, Arkansas Statehighway Commission; Bobby Hopper, Commissioner, Arkansasstate Highway Commission; Herby Branscum, Jr.,commissioner, Arkansas State Highway Commission; J.w.benefield, Commissioner, Arkansas State Highway Commission;l.w. Clark, Commissioner, Arkansas State Highway Commission,appellees did not match any document.