4.3. Comparison of the results obtained from Trip Based Model and Trip-Chain Based Model
Secondly, let us compare the mode share and the equilibrium cost of the traditional trip based assignment model
and that of proposed model. Figure 4 shows the cost of each trip chain and mode and Figure 5 shows the mode share
of each trip chain. By the traditional trip based assignment model, the travellers are assigned to both modes by each
trip based on the difference of the trip cost. On the other hand, by the proposed model, travellers are assigned to both
modes based on the difference of the trip chain cost, which is summation of the each trip cost. Therefore, the cost
difference with the proposed model is larger than that of the trip based assignment model as shown in Figure 4. As a
result, as shown in Figure 5, the number of PT users is larger from the output of the proposed model than that of
traditional trip based model. However, the difference of each mode users is smaller in TCID 1. This is because, as
shown in Figure 4, the cost difference between both modes is small in both types of the model.