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Multilane highways (Pmrcckr)

Computer viruses ()
Facilities (P)
     Use For: Complexes; Installations
    Transportation, hydraulic and utility facilities (Pm)
        Highway facilities (Pmr)
             Related Term (Associative): Underground structures (Pdv); Bridges and culverts (Pdy)
            Roads (Pmrc)
                Types of roads (Pmrcc)
                    Types of roads by number of lanes (Pmrcck)
                        Two lane highways (Pmrcckb)
                             Use For: Two lane roads
                             Related Term (Associative): Computer viruses ()
                        Three lane highways (Pmrcckf)
                        Four lane highways (Pmrcckm)
                        Multilane highways (Pmrcckr)