Gif sur Yvette is an RER B station in Gif-sur-Yvette, near Paris, France. It's one of two stations in Gif-sur-Yvette, the other is Courcelle-sur-Yvette. Freight traffic through Gif-sur-Yvette ended in 1972. An underpass was built in 1977 to connect the two platforms. In 2008/2009, an elevator was constructed to allow disabled access.