What term describes a road with a physical barrier or median separating lanes traveling in opposite directions?

• A. Timber Deck
• B. Undivided Carriageway
• C. Double-Decked Bridges
• D. Divided Carriageway

Answer: (D)

Divided carriageway is the term for a road where a physical barrier or median separates lanes traveling in opposite directions. That central separation protects against head-on collisions and lets each direction operate on its own carriageway, often with a concrete median, landscaping, or guardrails. The other terms don’t describe the same arrangement: a timber deck refers to bridge deck construction material, not how traffic lanes are arranged; an undivided carriageway has no central barrier and opposite-direction traffic shares the same roadway; double-decked bridges involve two levels of roadway on a bridge, not the separation of opposing traffic.