<DataGrid Name="OperativeScheduleTable"
              Grid.Row="1"
              ItemsSource="{Binding Path= OperativeSchedules}">

        <DataGrid.Columns>
            <DataGridTextColumn Width="Auto"
                                Binding="{Binding Path=Id}"
                                Header="Id"
                                IsReadOnly="True" />


            <DataGridTemplateColumn Header="Станция отправления">
                <DataGridTemplateColumn.CellTemplate>
                    <DataTemplate>
                        <ListBox ItemsSource="{Binding Path=Stations}" Padding="5">
                            <ListBox.ItemTemplate>
                                <DataTemplate>
                                    <StackPanel Orientation="Horizontal">
                                        <TextBlock Width="50" Text="{Binding Path=Name}" />
                                    </StackPanel>
                                </DataTemplate>
                            </ListBox.ItemTemplate>
                        </ListBox>
                    </DataTemplate>
                </DataGridTemplateColumn.CellTemplate>
            </DataGridTemplateColumn>
        </DataGrid.Columns>

public class RailwayStationEditViewModel : Screen
{
    private readonly IUnitOfWork _unitOfWork;



    public RailwayStation RailwayStations { get; private set; }

    public ObservableCollection<Station> Stations { get; set; }  //Сюда нужно Байндится!!!




 public RailwayStationEditViewModel(IUnitOfWork unitOfWork, RailwayStation railwayStation)
        {
            _unitOfWork = unitOfWork;

            RailwayStations = railwayStation;
            Stations = new ObservableCollection<Station>(RailwayStations.Stations.ToList());
        }
    }

<ListBox ItemsSource="{Binding Path=Stations, указать что коллекция находится во ViewModel}" Padding="5">