D0 motorway (Czech Republic)

D0 Motorway
D0 Motorway
Dálnice D0
Prague Ring; Pražský okruh
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Route information
	Part of E50 E65
Length	40 km (25 mi) 78 km (48 mi) / 90.8 km (56.4 mi)
Major junctions
	Beltway around Prague
Route map
Location
Country	Czech Republic
Regions	Praha, Central Bohemian
Major cities	Prague
Highway system
	Highways in the Czech Republic;

D0 motorway (Czech: Dálnice D0), formerly R1 expressway (Czech: Rychlostní silnice R1), or Prague Ring Road (Czech: Pražský okruh), also called the outer ring road, is a motorway in the Czech Republic. It is an outer ring of Prague and its first segment was opened in the 1980s. There is also an inner Prague Municipal Ring Road, which is still under construction as well.

As of January 2020^[update] 40 km, from the planned length 80 km, are in operation. Two disjunct sections are opened to the public, one going all the way from the Ruzyně Airport to the interchange with the D1 highway, the other one being a 5-kilometre-long (3.1 mi) road on the eastern border of Prague. A section connecting these two segments is to be built next. Other segments under preparation include a controversial bridge over the Vltava river near Suchdol, with locals proposing the road to be built in a less inhabited location to the north.