🛣️ Plastic Roads - IIT Madras / MoRTH
Waste plastic (2-6% by weight) is blended with bitumen to build stronger, water-resistant roads.
Key Details
- Polymer-modified bitumen increases binding strength.
- Plastic roads show reduced ravelling, cracking, and potholes.
- Process uses shredded LDPE/HDPE waste.
- Cost-competitive with conventional roads.
- Scaled under the Pradhan Mantri Gram Sadak Yojana.
Sources
💡 Lesson LearnedPlastic can be a valuable construction input if segregated and processed correctly.