The OBD only lane 1 was closed when I went. I got in the lane to the right of lane 1 (lane 2?). There were three cars in front of me. The online wait time (cool feature) showed 10 minutes. That's exactly how long it took for the three cars in front of me. So I was in and out in less than 20 minutes from the time I arrived (actually, I didn't time it, but that's about right).