Abstract: A method, integrated system and in-vehicle Active Poster for processing mobile touch transactions including carpooling transactions. The integration includes a near field contactless or swipe smart card or other portable identification device which may be standalone, affixed to, or part of a mobile or hand held portable wireless communication device, a touch sensitive Active Poster also with swipe or near field contactless communication capability and also incorporating or in communication with GPS or other vehicle location services capability for the vehicle, a car pool management or other service provider's system and application and a host computer with networking capability.