4 Pics 1 Word Level 827

Answer:
Rail
Hint
What is the answer to the 4 Pics 1 Word level with Different crossing train tracks, A boardwalk with a bars on the side, The side of a boat on the water, and A Skateboarder skating?

Hint
What is the answer to the 4 Pics 1 Word level with Different crossing train tracks, A boardwalk with a bars on the side, The side of a boat on the water, and A Skateboarder skating?