An Advanced Traveller Information System (ATIS) is any system that acquires, analyzes, and presents information to assist surface transportation travellers in moving from a starting location (origin) to their desired destination.
Relevant information may include locations of incidents, weather and road conditions, optimal routes, recommended speeds, and lane restrictions, all part of the Intelligent transportation system or ITS.
[2] The various types of systems are public, private, or a combination and can be provided free, through user subscriptions, or third-party sponsorship.
Delivery of ATIS can be by television, radio, computer, cell phone that includes mapping, 5-1-1 (US), Text messaging using SMS information systems, automobile through in-vehicle information systems, Variable-message signs, as well as any other means of communication, received as personal or mass communications before, during, and after traveling.
Advanced Traveler Information System's, in one form or another, are used in many countries around the world under various names.