Tag 'railway:signal:speed_limit:form = sign'

Value histogram for key 'source'

• 19: estimate; extrapolate; survey
• 12: estimation; survey
• 10: extrapolation; survey
• 10: estimate; survey
• 4: estimate; extrapolate; survey; video
• 2: bing; extrapolate; video
• 2: survey; extrapolation
• 2: estimation
• 2: Bing
• 1: https://www.youtube.com/watch?v=Kd_Gw5qY3yk (Zeitindex 1:42)
• 1: bing; estimation; survey
• 1: Bing; surveys
• 1: estimation; extrapolation; survey
• 1: estimate; extrapolation; survey
• 1: Brandenburg GeoBasis-DE/LGB (2025): DOP 20c; survey
• 1: Bing;surveys
• 1: survey
• 1: Berlin Orthophoto;survey
• 1: https://youtu.be/zAvjlOYR_Bw?t=167
• 1: survey; estimation