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Traffic by mode (Bta)

Transportation operations (B)
     Related Term (Associative): Management and organization (C)
    Traffic (Bt)
         Related Term (Associative): Freight and passenger traffic (Bf); Traffic control (Dcmt); Traffic crashes (Hbbgt)
        Traffic by mode (Bta)
            Air traffic (Btaa)
            Highway traffic (Btah)
            Railroad traffic (Btar)
                 Use For: Train traffic
            Pipeline traffic (Btas)
            Water traffic (Btaw)
                 Use For: Vessel traffic
                 Related Term (Associative): Shipping (Aesb)
            Transit traffic (Btax)
        Types of traffic (Btb)
        Traffic measurement (Bte)
             Related Term (Associative): ; Freight traffic measurement (Bfbm); Passenger traffic measurement (Bfhm); Measurement (Gm)
        Traffic models (Btf)
        Traffic characteristics (Bth)