Tag 'railway:signal:combined:deactivated = no'

Value histogram for key 'source'

• 23: estimate; extrapolate; survey
• 20: bing; estimate; survey
• 16: survey
• 6: bing; survey
• 6: extrapolation; survey
• 5: estimation; survey
• 5: bing; estimate; extrapolate; survey
• 5: estimate; survey
• 4: bing; estimation; survey
• 4: bing;estimate;extrapolate;survey
• 3: extrapolate; survey
• 1: bing; extrapolation; survey
• 1: estimation
• 1: extrapolation; estimation; survey
• 1: estimation; So 19 signals