London Underground users only just realising what small sign next to track means

The sign is seen commonly at both underground and overground stations, but its purpose and role on the railway network appears to have left many travellers baffled

Black News Black News
May 4, 2026 - 06:18
London Underground users only just realising what small sign next to track means
The sign is seen commonly at both underground and overground stations, but its purpose and role on the railway network appears to have left many travellers baffled
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