Modes of transportation

A mode of transport is the means or medium by which people and goods are moved. The five main modes are road, rail, water, air and pipeline (with ropeways and cable cars as special cases).

1. Roadways

• Use roads; vehicles run on their own wheels.
• Door-to-door service, flexible, cheap to build; best for short and medium haul.
• Limits: lower capacity, higher accident and pollution rates, high cost for long haul.

2. Railways

• Use steel track; high capacity, low operating cost per tonne-km, suitable for bulk goods and long-distance travel.
• Limits: very high capital cost, fixed route and timetable, needs gentle gradients (about 1 in 100), and terminal handling is needed.

3. Waterways

• Inland (rivers, canals) and sea/ocean transport.
• Cheapest for bulk cargo and heavy goods; very low energy use.
• Limits: slow, depends on natural water routes and weather, needs ports.

4. Airways

• Fastest mode; useful for long distances, urgent and high-value goods, and passengers; reaches remote areas.
• Limits: highest cost per tonne-km, small capacity, depends on weather, high airport cost.

5. Pipelines

• For liquids/gases (oil, gas, water); continuous, safe, low operating cost.
• Limits: only for fluids, fixed route, large initial cost.

6. Ropeways / cable cars

• Used in steep mountain terrain (e.g. Kurintar-Manakamana, Thankot-Chandragiri); well suited to hills.

In Nepal, road is dominant, air is important for the remote hills, and ropeways serve special cases; rail and inland waterways are still minor.