Blue Circle Zero Sign - Route, Station, or Identifier Symbol #3635949 (License: Personal Use)

This image displays a solid royal blue circular background with a centrally placed, thick-stroked white numeral '0'. The design follows standard traffic and transit signage conventions, emphasizing legibility and contrast for quick recognition. Its minimalist aesthetic makes it suitable for digital UIs, public transport maps, and infrastructure labeling.

Frequently used in metro/subway systems (e.g., Tokyo Metro Line 0 proposals), highway exit numbering, or as a placeholder/identifier in software dashboards. Matches user intent for visual identification, system navigation, or symbolic representation of “zero” in technical contexts.