Expressway S51 or Express road S51 is a short road in Poland which connects Olsztyn with the express road S7 in Olsztynek. Its length is 34 km (21 mi) and is located in the Warmian-Masurian voivodeship. The majority of Expressway S51 shadows the previous route of national road 51.

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Quick Facts Route information, Length ...

Expressway S51
Droga ekspresowa S51
Route information
Length	34 km (21 mi)
Major junctions
From	Olsztyn
To	S 7 in Olsztynek
Location
Country	Poland
Major cities	Olsztyn
Highway system
National roads in Poland Voivodeship roads
← S 50 → S 52

Close

Express road S51 has been continuously part of Polish plans for express roads network since 2004.^[1] In February 2008 the Olsztyn division of GDDKIA revealed the construction project of expressway S51. In September 2012 the part of the expressway forming the 12 km (7.5 mi) bypass of Olsztynek and its connection to the S7 expressway was opened to traffic whilst the finishing works to this stretch of the expressway were done over October 2012. In December 2017 the full section of expressway between Olsztynek and Olsztyn opened to traffic. In July 2019, bypass of Olsztyn (S16/S51) was finished, making S51 complete.