Olten railway station is a major hub railway station in the canton of Solothurn, Switzerland, at the junction of lines to Zürich, Bern, Basel, Lucerne and Biel. As a result, Olten is a railway town and was also the site of the main workshop of the Swiss Central Railway, which became a major workshop for the Swiss Federal Railways. It is the southern terminus of the Basel Regional S-Bahn S3 and S9 lines, the northern terminus of the Lucerne S-Bahn S8 line, and the western terminus of the Aargau S-Bahn S26 line.
Although Olten only has 18,000 inhabitants, the station is used each day by about 80,000 passengers and is one of the 10 busiest in Switzerland, busier than even Geneva. It serves 1,100 trains a day, making it one of the busiest in Switzerland.
Wikipedia https://en.wikipedia.org/wiki/Olten_railway_station
Address 30 Bahnhofplatz, Olten 4600, Switzerland
Coordinates 47°21'6.965" N 7°54'27.079" E