public weighted(int n) {
		super(n);
		// TODO Auto-generated constructor stub
		lengths = new int[n][n];  // All values initially false
		Travel_Time = new int[n][n]; // A counter for the time spent traveling.
		Path = new int[n+1]; // Shortest Path and distance of that.
		NodeNames  = new LinkedList<String>();  
		
	}