Mathematical Problems in Engineering

Research Article

An Optimal Allocation Model of Public Transit Mode Proportion for the Low-Carbon Transportation

Table 1

Parameter value changes in different scenarios.
ScenarioTimeThe parameter value
S02009——Calculate with the actual public transit proportion
S0′2009———————————
S12020—↑↑——— & ↓ & ↑———
S1′2020—↑↑——— & ↓ & ↑↑——
S22020—↑↑——— & ↑ & ↓↑——
S2′2020—↑↑——— & ↑ & ↓———
S32020—↑↑—↑↑ & ↑ & ↓— & ↓—
S3′2020—↑↑—↑↑ & ↑ & ↓— & ↓↓
S42020 & ↓↑↑—↑↑ & ↑ & ↓— & ↓↓
Note: “—” means the base value. “↓” means lower than the base value. “↑” means higher than the base value. “&” means “and”, and if “&” is used, the parameters not mentioned in the same cell take the base value.