A subway is a train system that runs underground, primarily used for transporting passengers across urban areas. It is also called a metro, underground, or tube in different countries. Subways are efficient for avoiding road traffic and connecting major city locations quickly. 🔹 Example: "We took the subway to reach downtown during rush hour."
What is subway?
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Question context
This question is part of 📚 General Knowledge within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.