The town also has the Wasserburg (Günz) station on the Central Swabian Railway (German: Mittelschwabenbahn).

The station was opened together with the Neu-Ulm–Burgau section of the Bavarian Maximilian’s Railway (Bayerische Maximiliansbahn) on 26 September 1853.

The Central Swabian Railway was completed from Günzburg to Krumbach in 1892 and it was extended to Mindelheim in 1910.

The modernised station area was opened by the then Transport Minister, Wolfgang Tiefensee on 27 April 2009.

Platforms lengths and heights are as follows:[3] Günzburg is served at two-hour intervals by InterCity and EuroCity trains on line 62 connecting Frankfurt and Salzburg.