Segersäng is a station on Stockholm's commuter rail network, located in the locality of Segersäng within Nynäshamn Municipality on the Nynäs Line. The station has a single island platform and no ticket barriers. As of 2015, the station had approximately 300 boarding passengers per weekday. During peak hours, SL bus line 850 provides connections from Segersäng to Grödby and Trollsta Vägskäl. History. The station was originally opened in 1901 under the name "Sorunda," but it was renamed "Segersäng" in 1917. In 2008, the station was relocated approximately 100 meters to its current position and was upgraded to serve as a passing loop on the single-track section of the Nynäs Line.