The Sobu Line is a railway line in Japan that connects Tokyo and Chiba. Operated by East Japan Railway Company (JR East), it serves both local and rapid train services, making it a vital transportation route for commuters and travelers in the region. The line runs parallel to the Narita Express and provides access to popular destinations, including Narita Airport and Chiba City. It features various train types, including local, rapid, and express services, catering to different travel needs and schedules.