Why New York’s Subway Keeps Flooding

After Hurricane Sandy, New York invested $7.6 billion dollars into flood-proofing the subway – yet it still floods. Now the city’s Metro Transit Authority is looking to spend a further billion dollars on a whole new raft of measures to help fight flooding from tropical storms and from heavy rainfall.

WSJ spoke with an MTA engineer to see how the city is looking to improve subway flooding to keep some four million daily NYC subway riders moving.

Chapters:
0:00 MTA spending
0:54 Hurricane Sandy failures and normal operations
3:03 Active storm surge protections
5:27 Passive storm flood protections
8:03 Bigger projects

Pro Perfected
Experts in engineering and design break down a ubiquitous problem, examining how the world is built and what can make it better.

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