Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. D5 motorway is a highway in the Czech Republic. It runs from Prague through Pilsen into Germany. D5 is 151 km long; a bypass of Pilsen includes the 380 metre long Valík Tunnel and the 445 metre long bridge over the River Úhlava. Construction of highway D5 began in 1976 and the first segment was opened in 1982. The last segment was opened in 2006. In Germany, it continues as German autobahn A6 west to the border with France. The D5 is part of European route E50. All of D5 is the Czech part of "Via Carolina", the motorway from Nuremberg to Prague.