The Bochum-Gelsenkirchener Straßenbahnen AG (English: Bochum-Gelsenkirchen Streetcars Corporation), abbreviated BOGESTRA, is a public transport operator in the Ruhr area, most notably in the cities of Bochum, Gelsenkirchen and Herne. As of 2012, the company operated, in whole or in part, 9 rail lines (2 Stadtbahn, and 7 tram), and 65 bus lines. In 2012, BOGESTRA transported a total of 144.9 million passengers.