```!Keywords: Airlines / Communications Industry / Distribution / Geographic / Network / Petroleum Industry / RailRoad Industry / Shipping / Transportation; ! Full truckload routing problem ! Minimize trucks in use on Monday(and thus on Tues., etc.) MIN TLL1 + TPL1 + TRL1 + TLP1 + TPP1 + TRP1 + TLR1 + TPR1 + TRR1 ST !Period 1; !Trucks into Los Angeles on Monday = trucks out on Tuesday 2) TLL1 + TPL1 + TRL1 - TLL2 - TLP2 - TLR2 = 0 !Trucks into Phoenix on Monday = trucks out on Tuesday 3) TLP1 + TPP1 + TRP1 - TPL2 - TPP2 - TPR2 = 0 !Trucks into Reno on Monday = trucks out on Tuesday 4) TLR1 + TPR1 + TRR1 - TRL2 - TRP2 - TRR2 = 0 !Demand requirements for period 1 5) TLR1 > 1 6) TRL1 > 1 !Period 2, etc.; 7) TLL2 + TPL2 + TRL2 - TLL3 - TLP3 - TLR3 = 0 8) TLP2 + TPP2 + TRP2 - TPL3 - TPP3 - TPR3 = 0 9) TLR2 + TPR2 + TRR2 - TRL3 - TRP3 - TRR3 = 0 10) TLP2 > 2 11) TRL2 > 1 !Period 3, etc.; 12) TLL3 + TPL3 + TRL3 - TLL4 - TLP4 - TLR4 = 0 13) TLP3 + TPP3 + TRP3 - TPL4 - TPP4 - TPR4 = 0 14) TLR3 + TPR3 + TRR3 - TRL4 - TRP4 - TRR4 = 0 15) TLP3 > 1 16) TPL3 > 1 !Period 4, etc.; 17) TLL4 + TPL4 + TRL4 - TLL5 - TLP5 - TLR5 = 0 18) TLP4 + TPP4 + TRP4 - TPL5 - TPP5 - TPR5 = 0 19) TLR4 + TPR4 + TRR4 - TRL5 - TRP5 - TRR5 = 0 20) TLR4 > 1 21) TPL4 > 1 !Period 5, etc.; 22) TLL5 + TPL5 + TRL5 - TLL6 - TLP6 - TLR6 = 0 23) TLP5 + TPP5 + TRP5 - TPL6 - TPP6 - TPR6 = 0 24) TLR5 + TPR5 + TRR5 - TRL6 - TRP6 - TRR6 = 0 25) TLR5 > 1 26) TRP5 > 1 !Period 6, etc.; 27) TLL6 + TPL6 + TRL6 - TLL7 - TLP7 - TLR7 = 0 28) TLP6 + TPP6 + TRP6 - TPL7 - TPP7 - TPR7 = 0 29) TLR6 + TPR6 + TRR6 - TRL7 - TRP7 - TRR7 = 0 30) TPR6 > 1 31) TRP6 > 1 !Period 7, etc.; 32) TLL7 + TPL7 + TRL7 - TLL1 - TLP1 - TLR1 = 0 33) TLP7 + TPP7 + TRP7 - TPL1 - TPP1 - TPR1 = 0 34) TLR7 + TPR7 + TRR7 - TRL1 - TRP1 - TRR1 = 0 35) TPR7 > 1 36) TRL7 > 1 END ```