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.bekindtopets.com/flash-offer-Choosing-Myself-Jeggings-Dark-Wash-save-extra/