Tag 'railway:signal:main:function = block'

Value histogram for key 'video'

• 2: https://youtu.be/fvNdnzDPycA?t=1893
• 1: https://youtu.be/fvNdnzDPycA?t=1603
• 1: https://youtu.be/srnmPw29vE4?t=6008