Originally Posted by
FliesWay2Much
You're overlooking the cost of physical barriers, electrical installations, potentially some HVAC and structural modifications such as floor loading, additional lighting, fire suppression systems, etc, let alone the operational cost of all of this. There is also some additional low-voltage wiring costs fof the networks that need to be extended into the new areas for the beeper machines, TSA clerk computers, telephones and other comm, etc.
Yes, however, all of that was already in place at BOS. It's not like new checkpoints were being built from scratch for PreCheck. At BOS, it was simple equipment reprogramming and off they went.
Can I say the same for other airports, no. But I have a feeling that the majority of airports took a standard lane, reprogrammed the equipment settings and voila, PreCheck lane.