Variable | Category | Indicator | Units |
Independent Input Variable | Resource use | Fuel consumption | Metric tonnes |
Employment | Number of employed persons | Numbers | |
Traffic volume | Trips per day | Numbers | |
Meteorological situation | Rainfall | mm | |
Relative Humidity | % | ||
Temperature | °C | ||
Solar Radiation | MJ∙m−2 | ||
Wind Direction | ˚ from True N | ||
Wind Speed | Knots | ||
Dependent (Undesirable) Output Variable | Environmental pollution | PM2.5 pollution | µg/m3 |
PM10 pollution | µg/m3 | ||
SO2 pollution | µg/m3 | ||
CO pollution | µg/m3 | ||
NO2 pollution | µg/m3 | ||
O3 pollution | µg/m3 | ||
Dependent (Desirable) Output Variable | Economic gains | Transport share of GCP | Ksh. |
Wage situation | Average monthly wage | Ksh. |