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Example Application: Modeling Trains in Regional MARKAL

Example Application: Modeling Trains in Regional MARKAL. Evelyn Wright & Dan Loughlin APB/APPCD/NRMRL/ORD/USEPA Presentation to NESCAUM December 18 th , 2003. Regional Transportation: Trains. Types of Demand. Regional Transportation: Trains. Types of Demand. Inter-city Trains.

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Example Application: Modeling Trains in Regional MARKAL

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  1. Example Application:Modeling Trainsin Regional MARKAL Evelyn Wright & Dan Loughlin APB/APPCD/NRMRL/ORD/USEPA Presentation to NESCAUM December 18th, 2003

  2. Regional Transportation: Trains Types of Demand

  3. Regional Transportation: Trains Types of Demand Inter-city Trains

  4. Regional Transportation: Trains Types of Demand Commuter Trains

  5. Regional Transportation: Trains Types of Demand Intra-City Transit

  6. Regional Transportation: Trains Build Database

  7. Regional Transportation Define RES Energy Technology Demand Inter-City Rail Diesel TA Inter-City Rail Electric Electricity Intercity Demand Commuter Rail Diesel TB Commuter Rail Electric Diesel Commuter Demand Heavy Rail TC Light Rail Intracity Demand

  8. Regional Transportation What does the model do? Energy Technology Demand Inter-City Rail Diesel TA Inter-City Rail Electric Electricity Intercity Demand Commuter Rail Diesel TB Commuter Rail Electric Diesel Commuter Demand Heavy Rail TC Light Rail Intracity Demand

  9. Regional Transportation: Trains Scenarios Base case: * technology choices (types of trains, investment cost, etc.) * fuel usage by type * fuel prices * emissions * ? local emissions ? – depends on detail * ? economic impacts ? – depends on linkage to econ model Construct scenarios to evaluate effects of: * technology changes and emergence of new technologies * changes in energy prices * subsidized ticket prices and/or infrastructure * additional capacity * changes in prices for other transportation modes * mode changes – depends on elasticities, travel demand

  10. Regional Transportation: Trains Issues Competition Inter-city Rail: Competes with planes, buses, and autos Commuter Rail: Competes with buses, taxis, and autos Intra-city Rail: Competes with buses, taxis, and autos Could feed same demand pools. Use price elasticities to determine demand for each mode. Need info on purpose of auto, bus travel.

  11. Regional Transportation: Trains Issues Time of day: (peak vs. off-peak) Specify peak and off-peak demand Provide peak capacities Rush hour Rush hour Time

  12. Regional Transportation: Trains Issues • Geographical Constraints • * Limited capacity in existing lines • * Limited availability of land for new systems • Place constraints in model representing capacity constraints

  13. Regional Transportation: Trains Conclusions * Try simple representation first * Characterize -> what is missing -> does it matter? * If “yes”, Prioritize and refine * Level of detail required is a function of objectives -> be flexible, but -> define as early in the process as possible * Remember, /good/ modeling is inherently iterative

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