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clevertiki t1_j2ellle wrote

It’s so you know what terminal to go to. Before the new security, each of the halls was its own terminal with its own security.

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Maximum-Share-2835 OP t1_j2eo3ps wrote

Ohhhhh with separate security I could see that helping people out

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elreeheeneey t1_j2evyf3 wrote

Agree with this. I've done plenty of travel in and out of DCA since moving to the area a decade ago. Old system you had to go through security for each terminal, so it was straightforward then and now to remember quickly which part of airport to get to. Particularly with terminal A having a separate entrance from B and C.

With the new security system in place the old system is moot, but having done travel knowing both guides (terminal and gate numbers) is still useful.

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