4 Pics 1 Word Level 1804

Answer:
Subway
Hint
What is the answer to the 4 Pics 1 Word level with 3 sandwiches in a plate, A subway tunnel, Girl standing in an alley, and 2 people standing with luggage?

Hint
What is the answer to the 4 Pics 1 Word level with 3 sandwiches in a plate, A subway tunnel, Girl standing in an alley, and 2 people standing with luggage?