Tag 'opening_date = 2020-12-04'

• 9: gauge
• 9: layer
• 9: operator
• 9: frequency
• 9: voltage
• 9: electrified
• 9: railway
• 9: opening_date
• 9: tunnel
• 8: ref
• 8: check_date
• 7: level
• 7: maxspeed
• 1: note
• 1: loading_gauge
• 1: electrified:rail