Brenner Pass Modena. It is one of the most important routes of north-south connections in Europe. After the signing of the Schengen Agreement in 1992 and Austria's subsequent entry into the European Union in 1995, customs and immigration posts at Brenner Pass were removed in 1997. However, Austria reinstituted border checks in 2015 as a response to the European migrant crisis. In April 2016, Austria announced it would build a 370-meter long fence at the Pass but clarify that "it would be used only to "channel" people and was not a barrier." The Europabrücke ("Europe Bridge"), located roughly halfway between Innsbruck and
Brenner Pass of above . As a result, air and noise pollution have generated heavy debate in regional and European politics. , about 1.8 million trucks crossed the Europa Bridge per year. In order to ease the road traffic, there are plans to upgrade the Brenner Railway from Verona to Innsbruck with a series of tunnels, including the Brenner Base Tunnel underneath Brenner. While the official groundbreaking of the tunnel had taken place in 2006 (with survey tunnels drilled in the same year), substantial work did not begin until 2011. Funding issues have delayed the tunnel's scheduled date of completion from 2022