Tag 'placement = transition'

Value histogram for key 'turn:lanes'

• 2: merge_to_right|
• 1: right|right
• 1: left|through|through
• 1: none|none|merge_to_left
• 1: left|left|through|through
• 1: through|through;right
• 1: |
• 1: through|
• 1: left|through|none