Tag 'ref = 20 17'

• 1: railway:signal:combined:height
• 1: ref
• 1: railway:signal:traversable:type
• 1: railway:signal:combined:substitute_signal
• 1: railway:signal:combined
• 1: railway
• 1: railway:signal:combined:form
• 1: railway:signal:traversable
• 1: railway:signal:combined:states
• 1: railway:signal:direction
• 1: railway:signal:position