Tag 'area:highway = tertiary'

• 1023: area:highway
• 423: surface
• 385: junction
• 48: crossing
• 22: crossing:markings
• 19: area
• 18: lane_markings
• 13: layer
• 6: type
• 5: surface:colour
• 2: sett:pattern
• 2: sett:shape
• 2: sett:length
• 2: bridge
• 1: covered