The document describes a smart solution for calculating a city's modal split using citizen sensing and artificial intelligence. The solution involves citizens downloading an app called i-Log that collects trip data through GPS, gyroscope and accelerometer sensors. Advanced data analysis and AI are used to analyze the large dataset to determine the purpose and modes of transportation for each citizen's daily trips. The modal split and interactive dashboards are then displayed on a website for city planners. The smart solution provides more frequent and accurate modal split calculations at a lower time and cost compared to traditional telephone survey methods.