Image source: Getty Images Canadian National Railway (TSX:CNR)(NYSE:CNI) is Canada’s largest railway transportation company. Recently, the company has embraced the use of novel technology to improve the efficiency of trains. Canadian National’s (CN) seven new automated inspection portals feature ultra‑high-definition cameras that can detect defects not visible to the human eye as a train travels at track speed through the portal. Digital application programming In 2020, CN launched an ever‑expanding suite of digital application programming interfaces (APIs), that allow CN customers to seamlessly connect with CN to track and trace shipments using real‑time global positioning system (GPS) technology. This signaled a new era of innovation and supply chain visibility aimed at helping the company’s customers win business in specific markets that were not previously accessible.