Passengers commute between different modes of transportation in traffic hubs. and passenger localization is a key component for the effective functioning of these spaces. The smartphone-based localization system presented in this work is based on the 3D step and heading approach. which is adapted depending on the position of the smartphone. https://www.roneverhart.com/Fire-Retardant-Premium-Polyester-8ft-Rectangular-Tablecloth-Ivory-Fitted-High-Performance-Table-Cover/