state highway that parallels the eastern border of the state. In Westchester, it serves some of that county's most affluent communities as it slowly trends eastward. Manhattan and the Bronx The Harlem Line begins underground at Grand Central Terminal, on the Park Avenue main line. The train tracks leave underground north of 97th Street and run on an elevated viaduct starting at 102nd Street in Manhattan. After stopping at Harlem–125th Street, the Harlem Line crosses the Harlem River at 135th Street in Manhattan, entering the Bronx via the Park Avenue Bridge. The train tracks go into open-cut north of 144th Street. In the Bronx, the Harlem Line cuts through the neighborhoods of the southwest Bronx, with two stations: Melrose, at 162nd Street (it then runs under the Cross Bronx Expressway (I-95) and Tremont, at 177th Street. Fordham station is next, at Fordham Road (190th Street). The tracks rise to ground level after the Fordham station. The Harlem Line then parallels the western edge of Fordham University until the Botanical Garden station at Bedford Park Boulevard (200th Street). The Harlem Line then cuts northeast to join the Bronx River Parkway, which lies to the east of the tracks. The Williams Bridge station is next, at Gun Hill Road (210th Street). After the Williams Bridge station, Woodlawn Cemetery begins to the west of the tracks, with Webster Avenue in between the cemetery and tracks. The Woodlawn station is at 233rd Street, and it is north of here that the New Haven Line diverges to head east towards the Northeast Corridor. The Harlem Line then goes under a bridge for the parkway, and it remains to the west of the tracks until Scarsdale station. The Wakefield station at 241st Street concludes the Bronx portion of the Harlem Line. Westchester County The Westchester portion of the Harlem Line begins at Bronx River Road in southeastern Yonkers. After the Mount Vernon West station, the Harlem Line runs along the on-ramp to the Cross County Parkway eastbound, right before Fleetwood station. After the Bronxville station, the Harlem Line parallels the Bronx River Parkway all the way up to White Plains. From White Plains, the railroad winds its way through the city and passing through the yards at North White Plains, which was the northern boundary of third-rail electrification until 1984. The stretch north of North White Plains is unique because it is the only third-rail electrified