Tag 'highway = primary'

Value histogram for key 'old_ref'

• 17: B 6
• 9: B 4; B 80
• 4: B 4;B 80
• 3: B 4;B 27;B 242
• 2: B 4;B 242
• 2: B 244
• 1: B 188
• 1: B 85