I've had a tolltag for several years now, but it looks like the tollway authority here in DFW is doing away with gates in most places and you just drive through and they send you a bill. At the airport though, you cannot get through unless the arm goes up. I shuttle people to the airport about once a month, and lately on two occasions I've had the extremely stressful experience of being stuck behind a gate that won't lift, and a line of irate people behind you who won't back up. The first time this happened was because my... read full review »