Expressway S6 is a Polish highway which has been planned to run from the A6 autostrada near Szczecin, through Goleniów in West Pomerania to Gdańsk, parallel to the Baltic coast, forming the main connection between Gdańsk and Szczecin.

The Tricity Ring Road is a ring road in Poland bypassing the metropolitan area formed by the cities of Gdynia, Sopot and Gdańsk commonly known as the Tricity. The beltway runs north to south from Gdynia to Pruszcz Gdański and is 38.6 km (24.0 mi) long. It forms a part of the S6 expressway which will eventually run from Szczecin to Gdańsk. It is also part of the European route E28.