Picked up my tickets at lunchtime today.
Although It seems sensible to not have unknown numbers on the day (to avoid me sitting in my car for ages in the approach roads, unable to see the display, whilst stuck in a traffic jam) It also strikes me that there may be a last minute surge to get a chance to see the Vulcan fly. Thus there will be DOUBLE the jams, with folks turning up, and then unable to get in, thus blocking the roads further trying to leave again!
Barnstormer1968
PS. It seems unlikely it's down to security, especially after my visit to Yeovilton air day last weekend, where there was none at all
Mine and ShyTorques posts seem to have crossed in the ether