It went from $2.00 to $2.65 on Jan, 1, 2002.
If you find yourself travelling this route get the transponder. It pays for itself especially if you want to take a rental on the highway. I have with my transponder and it saves a lot of money.
As for their customer it leaves something to be desired. When I compare them to EZ-pass, especially being with their websites. They don't hold a shadow to them .