Correct Answer: Option B — National Highway. National Highway is correct because it is the Union government is responsible for national-highway development and maintenance arrangements. National Highway is also specifically associated with these routes connect capitals, ports, industrial centres and border areas. 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 entry and exit are generally limited to designated interchanges. • Option C — Golden Quadrilateral: Golden Quadrilateral is it forms a quadrilateral connecting four major metropolitan regions. It is incorrect here because its separate identifying association is it was developed under the National Highways Development Project. • Option D — North-South and East-West Corridor: North-South and East-West Corridor is the North-South axis links Srinagar with Kanyakumari. It is incorrect here because its separate identifying association is the East-West axis links Silchar with Porbandar. Exam Takeaway: Connect National Highway with “the Union government is responsible for national-highway development and maintenance arrangements” and “these routes connect capitals, ports, industrial centres and border areas”.
