The journey from Annaka to Takasaki is serviced primarily by the JR Takasaki Line, utilizing the Local and Rapid services. The Rapid service reaches speeds of up to 110 km/h (68 mph) and completes the trip in approximately 30 minutes, with fewer stops, making it a quicker option for travelers needing to reach Takasaki. The Local service is also available but takes longer due to additional stops and typically completes the route in around 40 minutes.
These services provide comfortable seating, with ample space for luggage. The Rapid train, being the faster option, is suitable for those on a tight schedule, while the Local service caters to passengers looking to explore any intermediate stations along the way. Overall, the JR Takasaki Line ensures reliable connections between these two cities in the mountainous region of Japan.