Calculating Precision Basic calculation Only passenger transport are considered chicle type Gasoline car, Diesel bus, Light rail, Subway Pollutant type CO, NOX, HC, SO2, TSP, PMIO, CO2
Calculating Precision • Basic calculation – Only passenger transport are considered – Vehicle type Gasoline car, Diesel bus, Light rail, Subway – Pollutant type CO, NOx, HC, SO2 , TSP, PM10,CO2
Calculating Precision Advanced calculation Both passenger and freight transport are considered Vehicle type LDGV. LDDV. LDGTI LDGT2 LDDT HDGT HDD V, Motorcycles, Light rail, Subway Pollutant type CO, NOx, HC, SO,, TSP, PMIO, CO2
Calculating Precision • Advanced calculation – Both passenger and freight transport are considered – Vehicle type LDGV, LDDV, LDGT1, LDGT2, LDDT, HDGT HDDV, Motorcycles, Light rail, Subway – Pollutant type CO, NOx, HC, SO2 , TSP, PM10,CO2
Traⅴ el Demand Population 99U-20U Prediction of the natural growth rate of population 0.2000-2020 Income per capita US$/ person,1990-2000 Prediction of the growth rate of the income per capita %0.2000-2020 · Number of vehicles 1990-2000, by type Effective utilization km/y, 1990-2000, by type
Travel Demand • Population – 1990-2000 • Prediction of the natural growth rate of population – %, 2000-2020 • Income per capita – US $/person, 1990-2000 • Prediction of the growth rate of the income per capita – %, 2000-2020 • Number of vehicles – 1990-2000, by type • Effective utilization – km/y, 1990-2000,by type
Active levels Sector Tota travel demand Passenger km or Tonne km Sub-sector Share of the road traffic 1990-2000 End-use Share of each vehicle type Percent. 1990-2000 Device Vehicle space Passenger km/ Vehicle km or Tonne km/ Vehicle km
Active Levels • Sector – Total travel demand Passenger·km or Tonne·km • Sub-sector – Share of the road traffic 1990-2000 • End-use – Share of each vehicle type Percent, 1990-2000 • Device – Vehicle space Passenger·km/ Vehicle·km or Tonne·km/ Vehicle·km
Factor Average fuel efficiency km/1, 1990-2000, by vehicle types Fuel cost US$/,19902000 Average emission factor of each pollutant by vehicle types, by journey speed Emission amount and air concentration of each pollutant 1990-2000
Factor • Average fuel efficiency – km/l, 1990-2000, by vehicle types • Fuel Cost – US$/l, 1990-2000 • Average emission factor of each pollutant – by vehicle types, by journey speed • Emission amount and air concentration of each pollutant – 1990-2000