📈 Economy of Bihar (Civil Services Prep) Topic 5.4: Infrastructure in Bihar (Complete Unabridged Modules)

Module 3: Road Network Classification & Width Distribution (Table 5.4.1)

📖 Chapter 5 of 10 🧩 Module 3 of 30 ⏱️ ~2 min read 💡 1 MCQs
Topic Part 1 of 2

National Highways (NH), State Highways (SH), and Major District Roads (MDR) are constructed and maintained by the Road Construction Department. Roadways are categorized into single, intermediate, double, and multiple lanes based on road width (ranging from 3.75 meters to over 7.0 meters).


Table 5.4.1: Status of Road Network in Bihar (as on September 2020)

Category of Road National Highways (kms / %) State Highways (kms / %) Major District Roads (kms / %)
Single Lane (3.75 m width) 525.20 (9.6%) 467.92 (12.6%) 6805.33 (45.7%)
Intermediate Lane (5.50 m width) 578.79 (10.6%) 401.78 (10.8%) 5879.60 (39.5%)
Double Lane (7.0 m width) 2108.67 (38.5%) 2513.24 (67.7%) 1928.03 (13.0%)
More than 7.00 m width 1248.03 (22.8%) 285.61 (7.7%) 170.25 (1.1%)
4 Lane / 6 Lane & 8 Lane 957.46 (17.5%) 45.00 (1.2%) 103.15 (0.7%)
Missing Link 56.90 (1.0%) — —
Total Length 5475.05 km (100%) 3713.53 km (100%) 14886.36 km (100%)

Key takeaway: The highest proportion of NH (38.5%) and SH (67.7%) is double lane, while 45.7% of MDRs remain single lane.

⭐ Key Points
  • Single Lane (3.75 m width), National Highways (kms / %): 525.20 (9.6%)
  • Single Lane (3.75 m width), State Highways (kms / %): 467.92 (12.6%)
  • Single Lane (3.75 m width), Major District Roads (kms / %): 6805.33 (45.7%)
  • Intermediate Lane (5.50 m width), National Highways (kms / %): 578.79 (10.6%)
  • Intermediate Lane (5.50 m width), State Highways (kms / %): 401.78 (10.8%)
  • Intermediate Lane (5.50 m width), Major District Roads (kms / %): 5879.60 (39.5%)
📌 One-line Q&A
  • Single Lane (3.75 m width), National Highways (kms / %): 525.20 (9.6%)
  • Single Lane (3.75 m width), State Highways (kms / %): 467.92 (12.6%)
  • Single Lane (3.75 m width), Major District Roads (kms / %): 6805.33 (45.7%)
  • Intermediate Lane (5.50 m width), National Highways (kms / %): 578.79 (10.6%)
  • Intermediate Lane (5.50 m width), State Highways (kms / %): 401.78 (10.8%)
  • Intermediate Lane (5.50 m width), Major District Roads (kms / %): 5879.60 (39.5%)
Questions 1 MCQs

Answer this question, then use Next.

What percentage of Major District Roads (MDR) in Bihar were single lane as of September 2020?

As per Table 5.4.1, 45.7 percent of MDRs in Bihar were single lane (6805.33 kms).
Question 1 of 1

Write your answer, then submit to see the correct answer.

Single Lane (3.75 m width), National Highways (kms / %): ______

525.20 (9.6%)

Single Lane (3.75 m width), State Highways (kms / %): ______

467.92 (12.6%)

Single Lane (3.75 m width), Major District Roads (kms / %): ______

6805.33 (45.7%)

Intermediate Lane (5.50 m width), National Highways (kms / %): ______

578.79 (10.6%)

Intermediate Lane (5.50 m width), State Highways (kms / %): ______

401.78 (10.8%)

Intermediate Lane (5.50 m width), Major District Roads (kms / %): ______

5879.60 (39.5%)