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Expressway S3 or express road S3 (in Polish droga ekspresowa S3) is major road in Poland which is planned to run from Świnoujście on the Baltic Sea through Szczecin, Gorzów Wielkopolski, Zielona Góra and Legnica, to the border with the Czech Republic, where it will connect to the D11 motorway. The total planned length is 470 km (290 mi), of which 361.3 km (224.5 mi) is open to traffic (of which 6.1 km one carriageway) and 68.2 km (42.4 mi) is under construction (as of January 2019).

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Expressway S3
Droga ekspresowa S3
Route information
Part of E65
Length361.3 km (224.5 mi)
470 km (292 mi) planned[1]
Major junctions
 A6-PL.svg merge with A6 east of Szczecin

A6-PL.svg separation from A6 south of Szczecin
A2-PL.svg A2 near Jordanowo

A4-PL.svg A4 near Legnica
ToCZ traffic sign IS16a - D11.svg D11 border with Czech Republic
Regions:West Pomeranian Voivodeship
Lubusz Voivodeship
Lower Silesian Voivodeship
Major citiesSzczecin, Gorzów Wielkopolski,
Zielona Góra, Legnica
Highway system
National roads in Poland

Motorway A3 was planned to be built along this route before, but the decision was made to build a lower standard "express road" as the traffic density was judged too low to justify an autostrada.[citation needed] Nonetheless, S3 shares the crucial properties of an autostrada, including physical separation, restricted access, all but one interchange being grade-separated, and (upon completion) at least two continuous lanes in each direction as well as emergency lanes (hard shoulder). One legacy of it having been planned as an autostrada is that for some of its route S3 is going to be built on a completely new alignment some distance away from the parallel DK3 road it is to replace. This is in contrast to most "express roads" in Poland which are built by upgrading existing roads.

The most recent large extension of S3 is the 82.0 km section south of Szczecin to Gorzów Wlkp. This section has been built on a new alignment, outside of towns, and is essentially of motorway standard.[2] The entire stretch of the S3 between Międzyrzecz and Sulechów (43 km) is completed in August 2013 and fully open to traffic. The S3 expressway between Międzyrzecz and the bypass of Gorzów Wlkp. (37.6 km) was completed in May 2014.

In August 2013 Polish General Directorate for National Roads and Highways has announced tenders for building two stretches of the expressway between Nowa Sól in Lubusz Voivodeship and Legnica in Lower Silesian Voivodeship (to junction with A4)[3] and for building second stretches of Gorzów Wielkopolski bypass and in the part of the expressway between Sulechów and Nowa Sól.[4] They will be all done in 2017-2018 by schedule.

Most of the section between A4 at Legnica and the Czech border will not start construction before 2017.[5] Some of the money allocated for it has been re-purposed to build the S2 expressway in Warsaw. The government officials explained this decision by the fact that the connecting motorway on the Czech side will not be built before 2018. Later the decision was partially reversed, and now there is a plan to construct a 35.8 km section between Legnica and Bolków in 2015-2018 timeframe.[6] The contract was signed in October 2015, and the completion date is expected by 2019. Two contracts for the remaining section from Bolków to the Czech border were signed in October 2018, with the completion dates of November 2021 and June 2023.[7]

Motorway section Length Constructed Notes
Świnoujście-Troszyn 34.5 km (21.44 mi) Planned, DŚU not ready yet Planned to complete in 2018-2022
Troszyn bypass 5.1 km (3.17 mi) Completed 2009-2011 Dual-carriageway
Brzozowo bypass 4.8 km (2.98 mi) Tendered Planned to be complete by 2021
Brzozowo-Miękowo 10.7 km (6.65 mi)
Miękowo bypass 4.8 km (2.98 mi) Done in 2009-2012
Miękowo-Rurka 8.5 km (5.28 mi) Exists, tender for upgrade in progress Planned to be modernized by 2021
Rurka-Rzęśnica 13.3 km (8.26 mi)
Rzęśnica-Dąbie(Szczecin) 4.6 km (2.86 mi) Planned to be modernized by 2020
Dąbie(Szczecin)-Klucz 10.6 km (6.59 mi) Parallel with A6-PL.svg
Klucz-Pyrzyce 28.2 km (17.52 mi) Constructed 18.02.2008-26.05.2010
Pyrzyce-Myśliborz 26.8 km (16.65 mi) Constructed 02.11.2007-22.10.2010
Myśliborz-Gorzów Wielkopolski 26.7 km (16.59 mi) Built 2008-2010
Gorzów Wielkopolski bypass 11.8 km (7.33 mi) One way constructed 2003-2007;

Second carriageway opened October 2017

Gorzów Wielkopolski-Międzyrzecz 37 km (22.99 mi) Constructed 14.07.2011-15.05.2014
Międzyrzecz bypass 6.37 km (3.96 mi) One way constructed 2004-2016;

Second carriageway opened October 2016

Międzyrzecz-Sulechów 43 km (26.72 mi) Constructed 2010-21.08.2013 Opened in 4 segments:
  • 27.05.2013 (from Jordanowo to Świebodzin Północ)
  • 17.06.2013 (from Świebodzin Południe to Sulechów)
  • 11.07.2013 (from Świebodzin Północ to Świebodzin Południe)
  • 21.08.2013 (from Międzyrzecz Południe to Jordanowo)
Sulechów-Nowa Sól 44 km (27.34 mi) Second carriageway: Construction started on 10 April 2015, Completed July 2017 Bridge over Oder river will be opened fully in 2019 after reconstruction of older carriageway
Nowa Sól-Kaźmierzów 33.3 km (20.69 mi) Opened June 2018
Kaźmierzów-Legnica 47.9 km (29.76 mi)
Legnica-Bolków 35.84 km (22.27 mi) Opened October 2018
Bolków-Kamienna Góra Północ 16.2 km (10.07 mi) Design-and-build contract signed October 17, 2018 Planned completion in first half of 2023 [8]
Kamienna Góra Północ-Lubawka 15.3 km (9.51 mi) Design-and-build contract signed October 17, 2018 Planned completion in second half of 2021




Autostrada A3
Route information
Time period1993–2001 (planned only)
Major junctions
   separation from A6 south of Szczecin

  A2 near Jordanowo

  A4 near Legnica
To  D11 border with Czech Republic
Regions:West Pomeranian Voivodeship
Lubusz Voivodeship
Lower Silesian Voivodeship
Major citiesSzczecin, Gorzów Wielkopolski,
Zielona Góra, Legnica
Highway system
National roads in Poland

The autostrada A3 was a planned motorway from 1993[9][10] to 2001[11] that was supposed to be built in western Poland. It was planned to begin in Szczecin, link Zielona Góra, Bolków and end in Lubawka on Polish-Czech border. In 2001 the project was changed and the route will be constructed as an expressway S3.[12]

Initial route plansEdit

Some road maps published in 1990s had an approximate route of the motorway, which in some places was different than planned nowadays route S3.

Autostrada was planned to begin on “Radziszewo” interchange with national road 118 (present road 31), run towards Pyrzyce where it could run parallel to national road 3 between Pyrzyce and Gorzów Wielkopolski. From Gorzów, A3 was planned to run straightly to Jordanowo where was planned an interchange with motorway A2 and road 3, bypass Świebodzin, bypass Sulechów, cross Oder river using a new bridge and use the existing bypass of Zielona Góra.

From Zielona Góra the motorway was planned to be built west of Nowa Sól, have a junction with road 3 near crossing with voivodeship road 292 and another one near Gaworzyce. If built, A3 would be eastern bypass of Legnica, connect with A4 motorway on “Gniewomierz” junction and run parallel to road 3 to Bolków. On the last stretch, motorway would run parallel to national road 371 (present road 5), bypassing Kamienna Góra and end its route on Czech Republic–Poland border, connecting with Czech national road 16.[13][14]


  1. ^ Of these 15.2 km shared with A6 motorway.
  2. ^
  3. ^
  4. ^
  5. ^ Południowa obwodnica Warszawy zamiast trasy S3 do Czech , Gazeta Wyborcza, Dec. 9, 2013
  6. ^ Polish Council of Ministers decision from March 4, 2014
  7. ^
  8. ^ Ostatni fragment S3 połączy Świnoujście z polsko-czeską granicą.
  9. ^ Rozporządzenie Rady Ministrów z dnia 28 września 1993 r. w sprawie ustalenia kierunkowego układu autostrad i dróg ekspresowych [Decree of the Council of Ministers on September 28, 1993 on establishing a directional arrangement of motorways and expressways], Dz. U. z 1993 r. Nr 92, poz. 424
  10. ^ "Map of planned network of motorways and expressways in Poland in 1993". Archived from the original on 13 January 2014.
  11. ^ Rozporządzenie Rady Ministrów z dnia 29 września 2001 r. w sprawie ustalenia sieci autostrad, dróg ekspresowych oraz dróg o znaczeniu obronnym [Decree of the Council of Ministers on September 29, 2001 on establishing a network of motorways, expressways and roads of defensive importance], Dz. U. z 2001 r. Nr 120, poz. 1283
  12. ^ "Nie będzie autostrady A3, a A2 i A4 będą krótsze, niż planowano" (in Polish). Gazeta Wyborcza. 2001-07-13. Retrieved 2014-01-12.
  13. ^ Mapa samochodowa Polski 1:700 000 [Road map of Poland 1:700 000] (in Polish). Szczecin: Wydawnictwo Kartograficzne KOMPAS. 1996–1997. ISBN 83-904373-2-5.
  14. ^ Mapa samochodowa Polski 1:700 000 [Road map of Poland 1:700 000] (in Polish). Szczecin: Wydanictwo Kartograficzne KOMPAS. 1997–1998. ISBN 83-904373-3-3.

See alsoEdit