Synopsis Realtime travel information systems are capable of providing accurate and real Time information to the traveling public and help them to make up their mind regarding the time to start the trip and to select a route and/or travel mode. These information systems provide key information regarding every aspects traveling, including traffic and weather conditions, availability of transit, rail service, bicycle options, or finding someone to rideshare with. Advanced travel information systems are decision support systems enabling the traveling public to manage their trips and make informed decisions on trip details. This book provides comprehensive information regarding the realtime travel information systems and their advantages to the traveling public. The contents of the book will be immensely helpful to short and long trip travellers, traffic managers, researchers and travel agencies.