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Chapter 7 Transport and Communication| Class 12 Geography Notes

Last Updated : 22 Apr, 2024
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Transport and Communication are essential for connecting people and goods globally, enabling trade, social interaction, and information exchange. While transport facilitates physical movement through various modes like roads, railways, airways, and waterways, communication involves the transmission of ideas and messages using technologies like telephones, internet, and postal services.

Together, they form the backbone of modern society, shaping how we live, work, and interact in a connected world. Advances in technology continue to revolutionize both sectors, making travel and communication faster, safer, and more efficient. In this article, we will look into the different forms of Transport and Communication.

Transport

Transport is a service or facility for the carriage of persons and goods from one place to the other using humans, animals and different kinds of vehicles. Roads and railways form part of land transport, while shipping waterways and airways are the other two modes. Pipelines carry materials like petroleum, natural gas, and ores in liquified form.

Modes of Transportation

There are many modes of transportation, including air, rail, road, maritime, pipeline, and land. The choice of mode depends on factors such as speed, distance, cost, capacity, and environmental impact. Each mode has its own infrastructure, vehicles, and operations, and they often work together to create a comprehensive network.

Land Transport

Land transport has evolved significantly over time. Initially, humans served as carriers, followed by the use of animals such as mules, horses, and camels. The invention of the wheel and later the steam engine and internal combustion engine revolutionized land transportation, leading to the development of railways, motor vehicles, and pipelines.

Railways emerged as a key mode of transportation in the nineteenth century, facilitating the movement of goods over long distances within countries. They played an important role in opening up continental interiors for commercial activities such as grain farming, mining, and manufacturing. In addition to traditional modes of land transport, modern developments such as pipelines, ropeways, and cableways have emerged. Pipelines, for instance, are used to transport liquids like mineral oil and water efficiently.

Roads

Road transport is highly economical for short distances, especially for freight, due to its door-to-door service capability. Unmetalled roads, particularly during rainy seasons, pose challenges as they become impassable. Metalled roads also face handicaps during heavy rains and floods. The world’s total motorable road length is about 15 million km, with North America accounting for the highest road density and vehicle numbers compared to Western Europe.

Traffic congestion is a significant problem, especially in urban areas, due to the increase in traffic flow in recent years. Proposals for urban transport solutions include higher parking fees, mass rapid transit systems (MRT), improved public bus services, expressways, and highways.

Highways

Highways are metalled roads connecting distant places, typically 80m wide with separate lanes, bridges, flyovers, and dual carriageways for uninterrupted traffic flow. Examples include the well-developed highway networks in North America, Europe, Russia, China, India, Africa, and Australia, facilitating connectivity between major cities and regions.

Projects like the Golden Quadrilateral (GQ) in India aim to connect major metropolitan cities. Highways play an important role in promoting trade, commerce, and tourism, as well as serving defense purposes.

Border Roads

Roads laid along international boundaries are called border roads. They play an important role in integrating people in remote areas with major cities and providing defence.

Railways

Railways are essential for transporting bulky goods and passengers over long distances. Different gauge systems exist globally. Rail networks are densest in Europe and North America. They’re extensively used for both freight and passenger transport. Examples include the Euro Tunnel Group’s Channel Tunnel connecting London and Paris, transcontinental lines in North America, and dense networks in industrialized regions.

Rail networks vary widely by region, with densely populated areas like Japan, China, and India having the most extensive networks, while sparsely populated regions in West Asia have limited rail facilities. Africa faces challenges due to its size and geographic barriers, with rail networks concentrated in certain regions like South Africa.

Trans–Continental Railways

Trans-continental railways play an important role in connecting distant regions across continents, facilitating economic development, trade, and cultural exchange. Some important trans-continental railway routes are:

Trans-Siberian Railway

  • Route: It stretches from St. Petersburg in the west to Vladivostok on the Pacific Coast in the east, passing through major cities such as Moscow, Novosibirsk, and Irkutsk.
  • Length and Features: It spans 9,332 km and is the longest double-tracked and electrified trans-continental railway globally.
  • Significance: The Trans-Siberian Railway has opened up Asian regions to West European markets, enhancing economic ties and connectivity. It serves as a vital transportation corridor for trade and travel across Russia and neighboring countries.

Trans-Canadian Railway

  • Route: This 7,050 km railway line spans from Halifax in the east to Vancouver on the Pacific Coast, traversing cities like Montreal, Ottawa, and Winnipeg.
  • Historical Significance: Initially constructed in 1886 to unite British Columbia with the Canadian Federation, it later gained economic importance by connecting industrial, agricultural, and forest regions.

Union and Pacific Railway

  • Route: Connecting New York on the Atlantic Coast to San Francisco on the Pacific Coast, this railway passes through major cities including Cleveland, Chicago, and Omaha.
  • Cargo: Valuable exports on this route include ores, grain, paper, chemicals, and machinery, contributing to economic growth and trade between the East and West Coasts of the United States.

Australian Trans-Continental Railway

  • Route: This railway spans from Perth on the west coast to Sydney on the east coast of Australia, passing through cities like Kalgoorlie and Broken Hill.
  • North-South Connection: Another major line connects Adelaide and Alice Springs, with plans to extend it further to the Darwin-Birdum line, enhancing connectivity and transportation networks in Australia.

Orient Express

  • Route: Operating from Paris to Istanbul, the Orient Express passes through several European cities, including Strasbourg, Munich, and Vienna.
  • Reduced Travel Time: It significantly reduces travel time between London and Istanbul compared to sea routes, facilitating faster trade and passenger transportation.

Trans-Asiatic Railway Proposal

  • Route: Proposed to link Istanbul with Bangkok via Iran, Pakistan, India, Bangladesh, and Myanmar, this railway aims to enhance connectivity and trade between Europe and Asia, further integrating the economies of the region.

Water Transport

Water transport offers several advantages, primarily due to the natural navigability of oceans and waterways. Oceans are naturally linked and negotiable by ships of various sizes, requiring only port facilities at both ends. Water transport is generally cheaper due to lower energy costs compared to land and air transport. The friction of water is also less than that of land, reducing energy requirements for transportation. Water transport is divided into sea routes and inland waterways, each serving specific purposes and provides advantages.

Sea Routes

Oceans offer smooth highways traversable in all directions, with no maintenance costs required. Modern ships, equipped with radar, wireless communication, and navigation aids, have improved cargo transport efficiency. The use of containers has streamlined cargo handling at major ports, enhancing efficiency and reducing transit times.

Important Sea Routes

  • Northern Atlantic Sea Route: Connects northeastern USA with northwestern Europe, facilitating a significant portion of the world’s foreign trade.
  • Mediterranean–Indian Ocean Sea Route: Passes through vital ports like Port Said, Aden, Mumbai, Colombo, and Singapore, benefiting from the construction of the Suez Canal.
  • Cape of Good Hope Sea Route: Connects Western Europe with Africa, Southeast Asia, Australia, and New Zealand, facilitating trade in various commodities.
  • North Pacific Sea Route: Links ports on the west coast of North America with those of Asia, serving cities like Vancouver, Yokohama, Shanghai, and Hong Kong.
  • South Pacific Sea Route: Connects Western Europe and North America with Australia, New Zealand, and Pacific islands via the Panama Canal.

Coastal Shipping

  • Coastal shipping serves as a convenient mode of transportation for countries with long coastlines, reducing congestion on land routes.
  • Countries like the USA, China, and India benefit significantly from coastal shipping due to their extensive coastlines.

Shipping Canals

  • Suez Canal: Constructed in 1869, it links the Mediterranean Sea with the Red Sea, providing a vital gateway for European trade to the Indian Ocean. It significantly reduces travel distance compared to the Cape of Good Hope route. The Suez Canal operates without locks and accommodates about 100 ships daily, contributing to global trade and maritime transportation.
  • Panama Canal: Situated across the Panama Isthmus, connecting Panama City and Colon, it was constructed by the U.S. government, which purchased land on both sides to create the Canal Zone. Approximately 72 km long, with a deep cutting of 12 km. It features a six-lock system that raises and lowers ships by 26 meters to traverse different levels before entering the Gulf of Panama.
  • The Panama Canal reduces travel distances between New York and San Francisco by 13,000 km by sea, as well as shortening distances between Western Europe and the U.S. West Coast, and between Northeastern and Central U.S.A. and East and Southeast Asia.

Inland Waterways

Inland waterways include rivers, canals, lakes, and coastal areas, which have been historically important for transportation. Navigability width and depth, continuity of water flow, and transport technology influence the development of inland waterways. Rivers served as primary transportation routes in ancient times, but lost significance due to competition from railways, water diversion for irrigation, and poor maintenance. Despite limitations, many rivers have been modified to enhance navigability through dredging, stabilizing river banks, and constructing dams and barrages.

Important Inland Waterways

  • Rhine Waterways: Navigable for 700 km from Rotterdam to Basel, facilitating trade among Switzerland, Germany, France, Belgium, and the Netherlands.
  • Danube Waterway: Serving Eastern Europe, navigable up to Taurna Severin, with exports including wheat, maize, timber, and machinery.
  • Volga Waterway: Provides a navigable route of 11,200 km, connecting to the Caspian Sea via the Volga-Moscow and Volga-Don Canals.
  • Great Lakes – St. Lawrence Seaway: Connects the Great Lakes of North America to the Atlantic Ocean via canals, allowing large ocean-going vessels to reach inland ports like Montreal.
  • Mississippi Waterways: Connects the interior of the U.S.A. with the Gulf of Mexico, enabling large steamers to navigate up to Minneapolis.

Air Transport

Air transport is the movement of people, goods, or mail by air. It includes airlines, airports, air traffic control, commercial transport aircraft, air space, and air traffic management facilities. Air transport is a major part of globalization, transporting around 4 billion passengers and 61 million tons of freight each year. Air transport is important for economic growth and development because it helps generate trade, promote tourism, and create employment opportunities.

Inter-Continental Air Routes

In the Northern Hemisphere, there’s a well-established network of east-west inter-continental air routes, particularly dense in Eastern U.S.A., Western Europe, and Southeast Asia.

  • Major cities like New York, London, Paris, Amsterdam, Frankfurt, Rome, Moscow, Karachi, New Delhi, Mumbai, Bangkok, Singapore, Tokyo, San Francisco, Los Angeles, and Chicago serve as pivotal points where these air routes converge or radiate to connect all continents.
  • However, regions like Africa, the Asiatic part of Russia, and South America have limited air services due to sparse population, smaller landmass, and lower economic development.

Pipelines

Pipelines play an important role in transporting liquids and gases such as water, petroleum, natural gas, and even liquidified coal. While water pipelines are common for supply purposes, oil pipelines form dense networks in countries like the U.S.A., connecting producing areas to consuming regions.

For example, the Big Inch pipeline carries petroleum from the Gulf of Mexico to the Northeastern States in the U.S.A. Internationally, pipelines are used to connect oil wells to refineries and domestic markets, with important projects like the proposed Iran-India via Pakistan international oil and natural gas pipeline set to become the world’s longest.

Communications

Telecommunication has undergone significant advancements, starting from telegraph and telephone to modern satellite communication and internet technology. The introduction of optic fiber cables revolutionized communication by enabling rapid, secure, and error-free transmission of large data quantities.

Satellite communication emerged in the 1970s, connecting remote corners of the globe with minimal on-site verification, thereby reducing communication costs and time over long distances. India has made progress in satellite development, launching satellites like Aryabhatt, Bhaskar-I, Rohini, and APPLE, enhancing long-distance communication and weather forecasting.

The internet, often referred to as cyberspace, has witnessed exponential growth, connecting billions of users worldwide through platforms like the World Wide Web (www). As billions of people use the internet, cyberspace expands contemporary economic and social spaces through various applications like e-mail, e-commerce, e-learning, and e-governance, making the concept of a global village a reality.

Conclusion – Transport and Communication

Transport and communication are vital for connecting people and goods worldwide, facilitating trade and exchange of ideas. They encompass various modes like road, rail, air, and water transport, alongside telecommunications and the internet. Efficient transport networks enhance accessibility, while communication technologies enable instant global connectivity. These systems play key roles in economic development, tourism, and social interactions. Understanding their importance helps students grasp the interconnectedness of our modern world.

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FAQs on Transport and Communication

What are the means of transportation and communication called?

Transportation and communication are collectively referred to as “infrastructure” or “transportation and communication networks.”

What are the 4 types of means of transportation?

The four types of means of transportation are land, water, air, and space.

What is transport and communication in India?

India’s transport and communication system includes roadways, railways, air transport, water transport, and portal connectivity. India has one of the world’s largest road networks and the world’s second largest railway system.

What are the modes of transport used on land water and air?

On land, modes of transport include vehicles like cars, buses, trains, and bicycles. On water, transportation is facilitated by ships, boats, ferries, and submarines. In the air, aircraft such as airplanes, helicopters, and drones are used for transportation.

What transport can be used both on land and water?

Amphibious vehicles can travel on both land and water, including cars, buses, boats, trucks, and hovercraft. Amphibious vehicles have features and mechanisms that allow them to move on both land and water.



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