I shut down the L train in a graph: max flow, min cut and AI agents on the New York subway
This story is from 2026-10-18. It is preserved in the archive; the latest stories are on the live feed.
Picture 8 a.m. on a Wednesday in October. A signal fire in the Canarsie Tube stops the L between Bedford Av and 8 Av, in both directions, until further notice. That one sentence breaks the trips of 23,445 riders an hour . A transit control room now has minutes to answer three questions: who is stuc…
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- 2026-10-18 14:23 · DEV Community — AI
I shut down the L train in a graph: max flow, min cut and AI agents on the New York subway