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> CCTV on the track and crossings ahead is better placed for early warning. That's a lot of CCTV to replace one human.
by _nosaj 7y ago
> CCTV on the track and crossings ahead is better placed for early warning.
That's a lot of CCTV to replace one human.
- seanmcdirmid 7y agoCCTVs are cheap and have other benefits for being there.