W11: Transportation Engineering

• What is the definition of transportation engineering?

  The application of technology and scientific principles for the management of transportation
• What is the primary goal of transportation engineering?

  To provide safe and efficient movement of people and goods
• What are the main types of surface transportation?

  Land, water, air
• What are the modes of urban people transportation systems?

  Automobile taxi/ for-hire, jeepney, Tricycle, Local Bus Transit, Light Rail, Ferry
• What are the modes of intercity people transportation systems?

  Automobile, intercity bus (point-to-point bus), railroad, air, water
• What are the modes of urban and intercity freight transportation?

  Long-haul trucks, local truck, railroad, air freight, Water, Pipelines
• How does traffic engineering relate to the general public?

  It deals with a wide variety of public officials
• What is the primary objective of traffic engineering?

  To provide a safe system for highway traffic
• How many Filipinos die daily due to vehicular collisions accdg to PSA?

  34 Filipinos
• What percentage of road crashes in Metro Manila involve motorcycles?

  53%
• What are the main objectives of a traffic engineer regarding speed?

  Speed is limited by technology and safety
• How is comfort defined in transportation engineering?

  Physical characteristics of vehicles and roadways and influence by our perception of safety
• What does convenience relate to in transportation systems?

  Ease of making trips and accommodating needs at appropriate times
• What is the significance of environmental compatibility in transportation engineering?

  It addresses negative impacts on the environment
• What are the elements of traffic engineering?

  • Traffic studies and characteristics
  • Performance evaluation
  • Facility design
  • Traffic control
  • Traffic operations
  • Transportation system management
  • Integration of intelligent transportation system technologies (ITS)
• What challenges do traffic engineers face regarding congestion?

  • change in notion from increasing capacity to meet demand to managing the movement of vehicle and people
  • Ever-increasing congestion
  • Safety and security of transportation facilities
  • Technologically sound solutions may nor be socially acceptable (staggering of work time; public transit)
  • Traffic Engineering is still young as compared to other discipline, therefore, there leaves much to be desired.
• What are possible solutions to traffic problems?

  Facility Design:

  • Add lanes
  • Remove bottlenecks
  • Revise geometrics
  • Vehicle improvement

  
  

  Traffic Control:

  • Ramp metering
  • Signal coordination
  • Left turn treatments
  • Parking restrictions

  
  

  Reducing Demand:

  • Telecommunicating
  • Trip chaining
  • Shorter work week
  • Residential relocation

  
  

  Shifting Demand:

  • Flexible working hours
  • Staggered working hours

  
  

  Repacking Demand:

  • Car pooling
  • Transit
• What are the classifications of roadways?

  • National Highway (NH)
  • State Highway (SH)
  • Major District Road (MDR)
  • Other District Road (ODR)
  • Village Road (VR)
• What are the geometric elements of a road?

  Camber, carriageway width, shoulder, kerb, Width Of Roadway, Right Of Way, Slight Distance, Horizontal Curve, Superelevation, Gradient, Vertical Curve, Alignment
• What are the advantages and disadvantages of roadways?

  Advantages:

  • Maximum flexibility for travel
  • Door-to-door service
  • Saves time for short distances
  • Low construction and maintenance cost

  
  

  Disadvantages:

  • Low goods-carrying capacity
  • Speed is low compared to air and waterway
  • Less comfort and safety
  • High number of road accidents
• What are the categories of railway?

  Truck routes, main line, branch line
• What are the advantages and disadvantages of railways?

  Advantages:

  • High goods carrying capacity
  • High speed compared to roadways
  • Cheaper than airways
  • Comfortable for long-distance travel

  
  

  Disadvantages:

  • Not flexible
  • Dependent on roadway
  • High maintenance cost
• What are the types of harbors?

  Natural harbor, seminatural harbor, artificial harbor
• What are the advantages and disadvantages of waterways?

  Advantages:

  • No need for constructing tracks
  • Cheapest mode of transportation
  • Efficient mode of defense
  • Helps in the growth of industries

  
  

  Disadvantages:

  • Slow
  • Limited connectivity
  • High maintenance cost
  • Storms can cause great loss
• What are the types of airports?

  International airport, domestic airport, military aerodromes
• What are the advantages and disadvantages of airways?

  Advantages:

  • Does not require a track
  • Fastest mode of transportation
  • Useful in military activities
  • Helps in aerial photography

  
  

  Disadvantages:

  • Most expensive
  • High construction cost for airports
  • High fuel consumption
  • High maintenance cost for aircrafts
• What are the elements of traffic engineering and traffic control?

  • Traffic volume study
  • Spot speed survey
  • Speed and delay study
  • Origin and destination survey
  • Traffic flow study
  • Traffic capacity study
  • Parking survey
  • Accident survey
• Where do transportation engineers work in government?

  National and regional organizations
• What is one of the railway institutes in the Philippines?

  Philippine Railways Institute (PRI)
• What is one of the research and academic organizations related to transportation engineering?

  Engineering Research and Development for Technology (ERDT)
• transportation engineering deals with?

  planning, geometric design and traffic operations
• what are the modes of transportation?

  Road • Rail • Air • Martime
• professional ethics of TRAFFIC ENGINEERING PROFESSION

  great sense of responsibility based on the scale of the outcomes
• According to Mark de Leon, assistant secretary for the Department of Transportation (DOTr), what is the daily average road crashes in Metromanila?

  262
• What percentage of road crashes in Metro Manila involves pedestrian?

  19%
• What percentage of road crashes in Metro Manila involves Drivers of vehicles with 4 wheels or more?

  14%
• What percentage of road crashes in Metro Manila involves 4-wheeled vehicle passengers?

  11%
• What percentage of road crashes in Metro Manila involves cyclists?

  2%
• What percentage of road crashes in Metro Manila involves other vehicles?

  1%
• What is the percentage of motorcycles in road traffic death in 2015?


  23%