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Auxiliary lanes (Pmrcpmb)

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)
                Parts of roads (Pmrcp)
                    Traffic lanes (Pmrcpm)
                         Use For: Carriageways; Roadway; Traveled way
                        Approach lanes (Pmrcpma)
                        Auxiliary lanes (Pmrcpmb)
                        Bicycle lanes (Pmrcpmc)
                             Related Term (Associative): 
                        General purpose lanes (Pmrcpmd)
                        Climbing lanes (Pmrcpme)
                             Use For: Creeper lanes
                        Contraflow lanes (Pmrcpmg)
                        Downgrade lanes (Pmrcpmh)
                        Express lanes (Pmrcpmi)
                        High occupancy vehicle lanes (Pmrcpmj)
                             Use For: Carpool lanes; Diamond lanes; HOV lanes; Priority lanes
                        Lane drops (Pmrcpmk)
                        Managed lanes (Pmrcpml)
                        Median lanes (Pmrcpmm)
                        Reversible traffic lanes (Pmrcpmr)
                        Speed change lanes (Pmrcpmt)
                        Truck lanes (Pmrcpmv)
                        Turning lanes (Pmrcpmx)