Expressway in Poland connecting Upper Silesia and Bielsko-Biała with Czechia
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As of the end of May 2016 six options for the route were proposed, five of which were already available by June 2008.
At first option IV(D) was preferable. It would have gone parallel to Brzeszcze – Oświęcim railway tracks (PKP rail line 93). However, UNESCO protested against the choice, as, in their opinion, the traffic would have disrupted the zone of silence around the former German concentration camp Auschwitz-Birkenau, and, as the result, UNESCO would have put the camp onto the endangered list.
At the beginning of August 2009, the head of Miedźna county has announced to the media his option of the S1 (option VI), that would have gone through a forest on the borders of the Miedźna and Bojszowy county. In November 2009, it was accepted by all the local counties. However, GDDKiA turned down this option due to environmental issues. The road would have passed through the "Stawy w Brzeszczach" reserve for birds conservation, which was not acceptable.[3]
Option VI
Counties through which the road would have passed according to the option VI
Bielsko-Biała (Suchy Potok) In 2013 the Economical, Technical and Environmental Institution has proposed 4 choices (A, B, C, and D), of which choices A and C were preferred. However, the mining company "Brzeszcze" was against choice C, and "SILESIA" mining enterprise against A. As a compromise, GDDKIA promised to work on the additional option "E". Preparatory works for DŚU were done by 7 January 2015. In March 2015 choice "E" was chosen as preferred. In June the same year Regional Directorate of the Environment Protection in Katowice has asked GDDKiA to give out the environmental decision for the section.
Option V
Counties through which the road would have passed according to the option V
In 2013 a new option, presented by the mining companies "SILESIA" and "Brzeszcze" and by Miedźna, Brzeszcze and Bestwina counties, was proposed. The option "H"(or hybrid), as it is known, was an initial compromise between the companies and counties and GDDKiA. However it wasn't implemented.
From here to Żywiec interchange: first contract signed in 2010, which was cancelled two years later, and signed with other company in July 2014. Done in July 2015.
E75
A1 near Katowice International Airport in Pyrzowice
86 near Podwarpie 
S52 near Bielsko-Biała
D3 motorway, border with Slovakia
