Over the course of a couple of years I rode every mile of Septa. Next I thought it might be nice to take a stab at mileage collecting on NJT. However in a couple of previous rides on NJT I made, I found the cost to be to high for simple joy riding. Septa sells something like a day pass good all day across the various modes. Looking at the NJT website I see no similar fare listed. What then would be the most economical way to ride in a day or two day period over multiple lines and modes like the light rail?