Each airport will have a maximum of four sites.
Each airport and terminal building is, almost without exception, custom-made.
Each airport expected to open a second runway Tuesday night or early Wednesday morning.
Each airport screener was given a personal identification number, which allowed voting by computer or telephone.
Currently, each airport has its own "highway," causing an uneven distribution of traffic.
The intent, he said, is "to preserve the existing footprint at each airport".
For each airport, the site offers quick find options with headings like coffee, terminal maps and Wi-Fi.
Expect to spend a total of about $40 more for taxis to get to and from each airport.
At each airport, the FBI examined passenger manifests, cross checking names against lists of suspected terrorist sympathisers.
Since, in practice, each airport has its own physical architecture, there have been arisen many constraints mainly concerning airplane types and parking lots in this step.
Christopher Clarke, the commission's deputy chairman, reckons that under separate owners each airport would press hard to get planning permission to build new runways and terminals.
