Prior episode.

When he arrives, a "Big Apple Tours" bus crosses in front of him. But yeah, he could've taken train or bus to DC. He didn't "just" know his father is a travel agent. His spy mom gave him the special number to call, give him the special code/alias to tell the operator, so she presumably could've given him more detailed…

He was in NY. Gabriel went to him.

Ugh! You're right! And that was awful.

I almost want the 4028 "truth" to be a big lie. That would help me tolerate the plot holes. Like, the year isn't 4028, it's really 2014 or not-too-distant future and this is one big gov't experiment. The gov't has manufactured abbies and testing the cryo- thing and studying human behavior or something. Beyond the wall…