ModalSplit
Modal split, or mode share, is the distribution of transportation activity by mode within a defined geographic area and time period. It expresses the share of trips, person-kilometers, or total travelers using each mode, typically shown as percentages. Commonly compared categories include private cars, public transit, walking, cycling, and sometimes taxis, motorcycles, or air travel. Measurements can be trip-based or distance-based, and results depend on definitions, data sources, and geographic scope.
Measurement methods rely on travel surveys, census data, traffic counts, transit ridership records, and increasingly passive
Uses of modal split include informing urban planning, transportation modeling, and policy evaluation. Changes in mode
Factors influencing modal split are diverse, including urban form (density, land-use mix, street network), transit service
Limitations include its aggregation and variability over time and place. Data quality, mode classification, and whether