DataFile::load(layout, options.layout_fn);
layout.signal_train_added.connect(sigc::mem_fun(this, &Engineer::train_added));
layout.signal_block_reserved.connect(sigc::mem_fun(this, &Engineer::block_reserved));
DataFile::load(layout, options.layout_fn);
layout.signal_train_added.connect(sigc::mem_fun(this, &Engineer::train_added));
layout.signal_block_reserved.connect(sigc::mem_fun(this, &Engineer::block_reserved));