Transport and Communication in India

Subject: Geography | Unit: Resources & Agriculture | Topic: Transport Exam: AP Group 2 (APPSC)

Introduction

India's transport network — the 4th largest railway, one of the largest road networks, 13 major ports, and a rapidly expanding aviation sector — is the lifeline of its economy. Roads carry 85% of passenger traffic and 70% of freight, while railways remain critical for bulk cargo. For AP, Visakhapatnam Port (3rd largest in India), Krishnapatnam (largest non-major port), and the NH-16 highway corridor are key infrastructure assets.

Context

Transport infrastructure drives economic development, national integration, and defense. India's Golden Quadrilateral highway network connects the four metros, the Dedicated Freight Corridors are transforming goods movement, and the UDAN scheme is extending aviation to smaller cities. India's 7,517 km coastline supports 95% of trade by volume through ports.

Core Content

Indian Railways

• 4th largest rail network (after USA, China, Russia); total route: ~68,500 km
• 18 railway zones; largest employer in India
• First line: 1853, Mumbai to Thane (34 km)
• Golden Quadrilateral + diagonals carry ~58% freight on ~15% of network
• Gauge: Broad gauge (1.676 m, being unified), Metre gauge, Narrow gauge (hill railways)
• Longest platform: Gorakhpur (1,366.33 m); Busiest station: Howrah (Kolkata)
• Konkan Railway: Mumbai to Mangalore (spectacular engineering)
• Dedicated Freight Corridors: Eastern (Ludhiana-Dankuni) and Western (Mumbai-Delhi)

Roadways

• Total road network: ~63 lakh km; National Highways: ~1,46,000 km
• Roads carry 85% passenger + 70% freight traffic

• Golden Quadrilateral (GQ): ~5,846 km; Delhi-Mumbai-Chennai-Kolkata
• NS-EW Corridor: Srinagar to Kanyakumari / Silchar to Porbandar
• First expressway: Mumbai-Pune Expressway

Waterways

• ~14,500 km of inland navigable waterways; 111 national waterways notified (2016)
• IWAI (Inland Waterways Authority of India) manages them

13 Major Ports

• JNPT: India's largest container port
• Visakhapatnam: 3rd largest by cargo; largest on east coast
• Total: 95% of India's trade by volume passes through ports

Airways

• Air India: national carrier (privatized to Tata Group, 2022)
• AAI manages most airports; 34+ international airports
• UDAN (Regional Connectivity Scheme): connect smaller cities

Pipelines

Communication

• India Postal Service: largest postal network globally (~1.55 lakh post offices)
• Telecom subscribers: 1.17 billion+; Internet users: 800 million+ (2nd globally)

AP Connection

• Visakhapatnam Port: Only major port in AP; 3rd largest in India; largest on east coast
• Krishnapatnam Port: Largest non-major port in India (Nellore district)
• Gangavaram Port: Deep-water (21m depth, 64 MTPA capacity) near Vizag
• AP has 14 ports total; AP coastline: 974 km (2nd longest)
• NW-4 (Godavari-Krishna canals) passes through AP from Kakinada
• Buckingham Canal: Historic canal along AP-TN coast; part of NW-4; revival planned
• Railways: Vijayawada is a major junction
• NH-16 (formerly NH-5): Chennai-Kolkata highway runs through AP coast
• Visakhapatnam airport has international connectivity

Key Points Summary

1. Railways: 4th largest (68,500 km); 18 zones; first line 1853 (Mumbai-Thane)
2. Roads carry 85% passenger + 70% freight traffic
3. Golden Quadrilateral: 5,846 km; Delhi-Mumbai-Chennai-Kolkata
4. NW-1: Ganga (Prayagraj-Haldia); NW-4: through AP (Kakinada-Puducherry)
5. 13 major ports; JNPT = largest container; Vizag = largest on east coast
6. 95% of India's trade by volume passes through ports
7. HBJ Pipeline: 1,750 km, natural gas, Gujarat to north India
8. India has ~63 lakh km total road network
9. NHAI manages National Highways; IWAI manages waterways
10. Air India privatized to Tata Group (2022); UDAN connects smaller cities
11. India has largest postal network globally (~1.55 lakh post offices)
12. 1.17 billion telecom subscribers; 800 million internet users
13. BRO builds roads in border areas; Atal Tunnel crosses Rohtang
14. Krishnapatnam is India's largest non-major port (in AP)
15. AP has 974 km coastline — 2nd longest among states

Exam Strategy

• Port-state matching: Vizag=AP, Paradip=Odisha, Kandla=Gujarat, JNPT=Maharashtra
• NW matching: NW-1=Ganga, NW-2=Brahmaputra, NW-3=Kerala, NW-4=AP (Godavari-Krishna)
• AP transport: Vizag Port (3rd largest/only major), Krishnapatnam (largest non-major), NW-4, NH-16
• Numbers: 68,500 km railways, 5,846 km GQ, 7,517 km coastline, 13 major ports
• Trick: Roads carry MORE traffic than railways (85% passenger by road vs ~15% by rail)

Key Terms Glossary