Related Clues:

• Station rotation location
• Steps for crossing a fence
• Subway station device
• Attendance counter
• Entrance barrier
• Means of mounting a fence
• Fence crossing
• Subway revolver
• Subway swiping locale
• End of a turn?
• Turn attachment
• Subway entrance, e.g.
• Subway entrance device
• Steps over a wall
• Thing in a subway