On Jan 19, 7:29*pm, Michael Finfer wrote:

It's the same technology, RFID, but tapping a smart card at a toll booth
defeats the big advantage that electronic tolling systems have: *no need
to stop and open your window.

As an aside, many motorists, for some reason, can't open their
window. They stop, put the car in park, then open the door to hand
the driver their toll. This takes time. Quite a few motorists can go
by in the EZPASS lane in the time it takes for one person to do that.