Transportation Engineering & Planning A Summary of Key Concepts from Two References
What is Transportation? Movement of goods and people from one place to another Safe, efficient, reliable, and sustainable movement over time and space
What is Transportation Engineering? A branch of civil engineering focused on transportation infrastructure Involves planning, design, operation, and management of facilities Goal: safe, rapid, comfortable, economical, and eco-friendly movement
Characteristics of Transportation Systems Multi-modal: air, land, sea Multi-sector: government, private, public Multi-problem: policy, planning, management Multi-objective: economic, environmental, social goals Multi-disciplinary: engineering, economics, law, social sciences
History of Transportation From walking to use of animals, wheel, roads Development of roads and transport technologies over time Role of transportation in urbanization and civilization growth
Major Disciplines of Transportation Engineering Transportation Planning Geometric Design Pavement Design Traffic Engineering Public Transport, Economic Analysis, Environmental Assessment Accident Analysis, Intelligent Transport Systems
Modes of Transportation Land: Road, Rail, Pipelines Water: Shipping, Inland waterways Air: Passenger & cargo transport Intermodal: Using multiple modes effectively
Role of Transportation in Society Economic: supports production, distribution, consumption Social: connects rural & urban, cultural exchange Political: links political units, supports governance Environmental: pollution, safety concerns
Historical Development of Roads Roman Roads: durable, drainage-focused Tresaguet Roads: compact stone layers Telford Construction: graded stone sizes Macadam Roads: interlocked stones Modern Roads: asphalt, concrete, advanced tech
Classification of Roads (Nepal) Administrative: National Highways, Feeder, District, Urban Roads Technical: Based on design speed & traffic volume Managed by DoR & DOLIDAR