With the primary goal of bringing rail industry professionals together in a way that informs, inspires, and promotes the global rail marketplace — Railway Interchange is the largest railway exhibition and technical conference in North America. Attended by nearly 9,000 industry professionals from around the globe, this massive event is held every two years in major U.S. cities and includes an impressive outdoor rail-yard exhibits on alternating years.The Railway Interchange exhibition showcases the latest technology, services, and research by members of the Railway Supply Institute (RSI), the Railway Engineering-Maintenance Suppliers Association (REMSA), and Railway Systems Suppliers, Inc. (RSSI). Railway Interchange also features technical and educational sessions by the American Railway Engineering and Maintenance-of-Way Association (AREMA) Annual Conference and the RSI Education & Technical Training Conference.