Tag 'ref = 4'

• 12: ref
• 10: name
• 6: public_transport
• 6: operator
• 5: railway
• 4: wheelchair
• 4: train
• 2: bin
• 2: type
• 2: network
• 2: via
• 2: railway:local_operated
• 2: railway:turnout_side
• 2: railway:switch
• 2: from
• 2: bench
• 2: route
• 2: public_transport:version
• 2: covered
• 2: to
• 1: bus
• 1: description
• 1: source
• 1: tactile_paving
• 1: railway:switch:resetting
• 1: lit
• 1: railway:switch:heated
• 1: highway
• 1: surface
• 1: rail
• 1: source_ref
• 1: colour
• 1: railway:switch:electric
• 1: source_datum
• 1: loc_ref