Congress Quietly Passed A Bill Allowing Warrantless Searches of Homes - Only 1% Opposed It | Zero...

It's a House Joint Resolution, not a statute, and your source is ZeroHedge, where the article is written by a guy using the name of the Brad Pitt character from the movie "Fight Club." It's believe that ZeroHedge is run by a guy who was kicked out of the securities market for insider trading. I'm not too sure that I would bank on their interpretation.

Second, the text of the HJR also states that entry must be consistent with federal law. It clearly addresses open space next to the tracks, not homes, houses, and buildings.

We're screwed

Found this interesting enough to do some digging to figure out why it was included; seems fairly obvious in hindsight considering it's a safety board and the last WMATA fire in April. "Adjacent" includes areas above the WMATA where the exhaust fans and ventilation shafts break the surface. Since some of those will be on private property, the "reasonable notice" makes sense.

Ventilation examples from the National Mall area:

https://www.ncpc.gov/floodseminar/presentations/Part_3C_Ashe.pdf