@Override
	public String toString() {
		String s = "MetroStation(\"" + stationName + "\")\n"
				+ "   Coordinates = (" + dX + ", " + dY + ")\n"
				+ "   Parking = " + parking + "\n";

		if (onTrack.size() > 0) {
			s = s.concat("   Track   = { ");
			for (int i = 0; i < onTrack.size(); i = i + 1)
				s = s.concat(onTrack.get(i) + " ");
			s = s.concat("}\n");
		}

		return s;
	}