Kerala Transport Infrastructure: NH, Railways, Airports, Metro, Waterways

Kerala’s transport infrastructure is a perennial topic in Kerala PSC exams. Questions cover National Highways, railways, airports, Kochi Metro, waterways, and recent projects like Vizhinjam Port. Expect 2-3 questions per paper.

1. National Highways Through Kerala

NH Number	Route	Key Details
NH 66 (old NH 17/47)	Mumbai – Kanyakumari (coastal)	Primary highway through Kerala; passes Kasaragod, Kannur, Kozhikode, Thrissur, Ernakulam, Alappuzha, Kollam, Thiruvananthapuram
NH 544 (old NH 47)	Salem – Kochi	Passes through Palakkad gap, Thrissur to Kochi
NH 966	Kozhikode – Wayanad – Mysuru	Thamarassery Churam (ghat road)
NH 85	Kochi – Madurai	Through Idukki, connects to Tamil Nadu
NH 183	Kollam – Theni	Passes through Punalur, Shenkottai
NH 744	Thiruvananthapuram – Tenkasi	Eastern route

Key Facts:

• Total NH length in Kerala: approximately 1,812 km
• Longest NH in Kerala: NH 66
• NH 66 is part of the west coast corridor

2. Railways in Kerala

Aspect	Detail
Railway Zone	Southern Railway
Division	Thiruvananthapuram Division (under Southern Railway)
Total rail route length	Approximately 1,257 km
First railway line	Tirur – Beypore (Kozhikode), opened 12 March 1861
Major junctions	Ernakulam, Shoranur, Thiruvananthapuram Central
Shoranur Junction	Busiest junction in Kerala; tri-junction connecting Mangalore, Chennai, and TVM lines
Longest railway tunnel	Thalassery-Mysore line tunnels (under construction — Sabari Rail alternate route)

Important Railway Stations

Station	Significance
Thiruvananthapuram Central	Southernmost major terminus
Ernakulam Junction / Town	Largest by traffic
Shoranur Junction	Connects Malabar to rest of Kerala/India
Kozhikode (Calicut)	Major station in North Kerala
Palakkad Junction	Gateway to Kerala (from Tamil Nadu)
Kochuveli	Terminal for long-distance trains

SilverLine (K-Rail) Semi High-Speed Rail

Aspect	Detail
Route	Thiruvananthapuram – Kasaragod
Distance	529.45 km
Planned speed	200 km/h (semi high-speed)
Stations planned	11
Travel time	Under 4 hours (TVM to Kasaragod)
Status	Under various stages of planning and clearance

3. Airports in Kerala (4 Airports)

Airport	Location	Type	Key Fact
Trivandrum International Airport	Thiruvananthapuram	International	Oldest airport in Kerala; operated by AAI
Cochin International Airport (CIAL)	Nedumbassery, Ernakulam	International	World’s first fully solar-powered airport (2015)
Calicut International Airport	Karipur, Malappuram	International	Table-top runway; serves Malabar region
Kannur International Airport	Mattanur, Kannur	International	Newest airport in Kerala (opened Dec 2018)

PSC Frequently Asked:

• First airport in Kerala: Trivandrum
• First fully solar-powered airport in the world: CIAL (Cochin International)
• Newest airport: Kannur International (2018)
• Airport at highest elevation in Kerala: Calicut (Karipur) — table-top runway

4. Kochi Metro

Aspect	Detail
Operated by	Kochi Metro Rail Limited (KMRL)
Inauguration	17 June 2017 (by PM Narendra Modi)
Phase 1 route	Aluva – Petta (25.6 km)
Phase 1 stations	22 stations
Phase 2 (planned)	Petta – SN Junction (Tripunithura) – extended
Gauge	Standard gauge (1,435 mm)
Special feature	First metro in India to be operated by a woman-led workforce (Kochi Metro 1st team)
Coaches	Made by Alstom (France)
Ridership highlight	First metro in a Tier-2 Indian city

PSC Trap: Kochi Metro uses Standard Gauge (not Broad Gauge like Indian Railways).

5. Inland Waterways

Aspect	Detail
Total navigable waterway length	Approximately 1,687 km
National Waterway 3 (NW-3)	Kollam – Kottapuram (205 km) — West Coast Canal
Significance of NW-3	First national waterway in Kerala; declared 1993
Champakara Canal	Links Ernakulam to Alappuzha backwaters
Backwater system	44 rivers, 29 lakes connected by canals
Water Metro (Kochi)	India’s first water metro; operated by KMRL; connects islands in Kochi
Water Metro inaugurated	2023 (first phase)

Key Canals

Canal	Route
West Coast Canal	Kollam to Kottapuram (backbone of NW-3)
Champakara Canal	Ernakulam to backwaters
T.S. Canal (Travancore Shoranur)	Southern sections of backwater network

6. KSRTC (Kerala State Road Transport Corporation)

Aspect	Detail
Founded	15 March 1965
Headquarters	Thiruvananthapuram
Parent body	State Government of Kerala (Transport Department)
Fleet size	Approximately 5,500+ buses
Services	Ordinary, Fast Passenger, Super Fast, Super Deluxe, Garuda, Minnal (AC Volvo)
Major depots	Thiruvananthapuram, Ernakulam, Kozhikode, Thrissur, Palakkad
SWIFT (subsidiary)	AC inter-city premium services

7. Vizhinjam International Seaport

Aspect	Detail
Location	Vizhinjam, Thiruvananthapuram district
Type	Deep-water international transshipment port
Developer	Adani Ports (PPP model with Kerala Government)
Depth	20+ metres natural draft (one of the deepest in India)
Capacity (Phase 1)	1 million TEUs per annum
Significance	India’s first deep-water transshipment port; reduces dependence on Colombo/Singapore
Proximity to international shipping lane	Only 10 nautical miles from the international shipping route
Phase 1 commissioned	2024 (first ship berthed December 2024)

8. Other Key Transport Projects

Project	Detail
Kochi-Mangalore Industrial Corridor	Part of West Coast corridor
Vallarpadam ICTT	International Container Transshipment Terminal, Kochi (operated by DP World)
Sabarimala Greenfield Airport (proposed)	Cheruvally Estate, Erumely, Kottayam
Goshree Bridges	Connect Kochi islands (Bolgatty, Mulavukad, Vallarpadam, Vypeen)

9. Exam-Oriented Quick Recall Table

Question	Answer
Longest NH in Kerala?	NH 66
First railway line in Kerala?	Tirur – Beypore (1861)
World’s first solar-powered airport?	CIAL, Kochi
Newest airport in Kerala?	Kannur (2018)
Kochi Metro gauge?	Standard gauge (1,435 mm)
NW-3 route?	Kollam – Kottapuram
India’s first water metro?	Kochi Water Metro
Vizhinjam developer?	Adani Ports
KSRTC founded?	1965
K-Rail/SilverLine speed?	200 km/h
Busiest railway junction in Kerala?	Shoranur
Palakkad Gap connects Kerala to?	Tamil Nadu (Coimbatore)