In preparation for the proposed Brenner Base Tunnel, the Innsbruck bypass was completed in 1994 to improve access to the Lower Inn Valley railway.
Kavandatud Brenneri baastunneli ettevalmistamisel lõpetati aastal 1994 Innsbrucki ümbersõit, et parandada ligipääsu Alam-Inni oru raudteele.