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Correct Answer: Option C — National Highway. National Highway is correct because it is these routes connect capitals, ports, industrial centres and border areas. National Highway is also specifically associated with a nationally designated arterial road connecting major regions. Two additional identifying facts are that National Highway is these routes connect capitals, ports, industrial centres and border areas and National Highway is associated with route numbers identify corridors rather than road quality alone. Why the other options are incorrect: • Option A — Expressway: Expressway is grade-separated junctions reduce crossing conflicts. It is incorrect here because its separate identifying association is an access-controlled high-speed road corridor. • Option B — Golden Quadrilateral: Golden Quadrilateral is it was developed under the National Highways Development Project. It is incorrect here because its separate identifying association is a major highway network linking Delhi, Mumbai, Chennai and Kolkata. • Option D — North-South and East-West Corridor: North-South and East-West Corridor is the East-West axis links Silchar with Porbandar. It is incorrect here because its separate identifying association is a national highway development corridor crossing India in two broad axes. Exam Takeaway: Connect National Highway with “these routes connect capitals, ports, industrial centres and border areas” and “a nationally designated arterial road connecting major regions”.
