Tag 'ref = Vf'

• 2: ref
• 2: railway:signal:distant
• 2: railway:signal:distant:form
• 2: railway
• 2: railway:signal:direction
• 2: railway:signal:position
• 1: railway:signal:distant:repeated
• 1: railway:signal:distant:deactivated
• 1: railway:signal:distant:states
• 1: railway:signal:distant:shortened
• 1: operator
• 1: railway:position:exact