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What is this white dashed line (circled) across the Thames in Google Maps?

Is it possibly the site of the old London Bridge? But what would be the use of that on a modern travel map?

Thames

Stewart
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1 Answers1

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OpenStreetMap has the same feature and it says it's Northern Line (Bank Branch) - of the subway I suppose.

It is clearly visible and marked on https://openrailwaymap.org/

Open Railway Map of Tower Bridge

alamar
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