केरलम पीडब्ल्यूडी proven टिकाऊपन के बावजूद सफेद-टॉप वाली सड़कों को व्यापक रूप से अपनाने को लेकर सतर्क

Relatively high initial construction costs cited. The technology offers several advantages over conventional asphalt roads, particularly in urban areas of Keralam that experience heavy rainfall, high summer temperatures and severe traffic c