The A 5 autobahn runs through the western outskirts of Heidelberg, connecting the region to Frankfurt am Main in the north and Karlsruhe to the south. The A 656 commences just west of the city, connecting Heidelberg with Mannheim. Both highways meet at Heidelberg autobahn intersection in the city of Heidelberg, and the A 656 connects to the A 6 at the Mannheim autobahn intersection, which connects to the east towards Stuttgart.
Furthermore, the B 3 (Frankfurt�Karlsruhe) runs north�south through the town, and the B 37 (Mannheim�Eberbach) runs east�west. Both meet in the city center at the Bismarckplatz. The B 535 begin in the south of Heidelberg and runs to Schwetzingen.
Heidelberg is located on four tourist roads: Bergstra�e, Bertha Benz Memorial Route, Castle Road, and Stra�e der Demokratie (Road of Democracy).
Heidelberg Central Station (Hauptbahnhof) is on the Rhine Valley Railway and is served by Intercity-Express, Euro City and Intercity-Express trains. This station is served by the RheinNeckar S-Bahn.
The main transport hub of Heidelberg is the Bismarckplatz. Several main thoroughfares of the city intersect here and one of the longest pedestrian streets in Europe, the Hauptstra�e (main street) runs from here through the entire old town of Heidelberg. Heidelberg Central Station was nearby for many years, which was a combined terminal and through station. In 1955, it was moved about 1.5 km further to the west, which removed the necessity for trains continuing to the south or from the south to the north to reverse. The new central station became the second major transport hub of Heidelberg.
Heidelberg has had a public transport service since 1883, when horse-drawn trams were established. Due to the rapidly rising patronage it was decided on 20 December 1901 to convert the tramway to electrical operation. On 16 March 1902, the first electric tram ran on Rohrbacher Stra�e, sharing use of the suburban tracks built by the Deutsche
