Scheduling Additional Train Unit Services on Rail Transit Lines

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="954356.fig.005a" src="https://static-preview.hindawi.com/articles/mpe/volume-2014/954356/figures/954356.fig.005a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Turnback operation with crossover located in advance of a station (TAS)</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="954356.fig.005b" src="https://static-preview.hindawi.com/articles/mpe/volume-2014/954356/figures/954356.fig.005b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>Turnback operation with crossover located in back of a station (TBS)</td></tr></table></td></tr></table>

<table>Track occupation of turnback operation process at a terminal.</table>

Mathematical Problems in Engineering

fig5

Figure 5

Figure 5: Scheduling Additional Train Unit Services on Rail Transit Lines 