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Danish national road 21 is a road going from Copenhagen, [1] Denmark to Randers, Denmark.
It starts at 
Ring 2 in Copenhagen as a motorway and turns into an expressway west of Holbæk, and ends in Randers close to 
E45.
1 Hvidovre 
Brøndby 
E47 / E55 Helsingør 2 Brøndbyvester 
Ring 3 3 Vallensbæk N Vallensbæk 
Ring 4 / E20 / E47 / E55 Odense, Rødby, Gedser 4 Roskildevej Ø 
Sekundærrute 156ø 5 Roskildevej V 
Sekundærrute 156v Taastrup Ring 4 Ballerup, Lyngby 6 Høje Taastrup C´ 7a Høje Taastrup S 
Sekundærrute 243 7b Baldersbrønde 8 Fløng 9 Trekroner 10 Roskilde Ø 
Sekundærrute 156 11 Roskilde SØ 
Primærrute 6 / Sekundærrute 217 12 Roskilde S Primærrute 6 
| 
Service area Roskilde 13 Ringstedvej 
Primærrute 14 14 Roskilde V 
| Kornerup 15 Gevninge 
Sekundærrute 155
| Service area Torkildstrup 16 Kirke Sonnerup 
Primærrute 53 Holbæk 
Primærrute 23 Kalundborg | Arnakke 18 Holbæk Ø Sekundærrute 155 19 Holbæk C 
Primærrute 57 | Springstrup 20 Holbæk V Sekundærrute 155
Expressway begins
Asnæs Vig Nykøbing Sjælland 
Sekundærrute 225Expressway ends
Odden Færgehavn 
Odden Færgehavn -Ebeltoft (Mols-Linien) Ebeltoft 
Primærrute 15 
Mørke 
Sekundærrute 180
Primærrute 21 ends
Høje-Taastrup Municipality is a municipality in the Capital Region on the island of Zealand (Sjælland) in eastern Denmark. The municipality covers an area of 78 km2 (30 sq mi), and has a total population of 57,540. It was formed by the 1970 Danish Municipal Reform, and its 1974 adjustment, by merging the parish municipalities of Høje Taastrup, Sengeløse, the Fløng part of Hvedstrup-Fløng and the Reerslev part of Reerslev-Vindinge. Since 1 January 2006 the mayor of the municipality has been Michael Ziegler, a member of the Conservative People's Party political party.
European route E55 is an E-route. It passes through the following cities: Helsingborg … Helsingør – Copenhagen – Køge – Vordingborg – Nykøbing Falster – Gedser … Rostock – Berlin – Lübbenau – Dresden – Teplice – Prague – Tábor – Linz – Salzburg – Villach – Tarvisio – Udine – Palmanova – Venice – Ravenna – Cesena – Rimini – Fano – Ancona – Pescara – Canosa di Puglia – Bari – Brindisi … Igoumenitsa – Preveza – Rhion – Patrai – Pyrgos – Kalamáta.
The Copenhagen S-train, the S-train of Copenhagen, Denmark, is a key part of public transport in the city. It is a hybrid urban-suburban rail serving most of the Copenhagen urban area, and is analogous to the S-Bahn systems of Berlin, Vienna and Hamburg. The trains connect the Copenhagen inner city with Hillerød, Klampenborg, Frederikssund, Farum, Høje-Taastrup and Køge. There are 170 km (110 mi) of double track with 87 S-train stations, of which eight are in neighbouring towns outside greater Copenhagen.
European route E47 is a road connecting Lübeck in Germany to Helsingborg in Sweden via the Danish capital Copenhagen. It is also known as the Vogelfluglinie (German) or Fugleflugtslinjen (Danish). The road is of motorway standard all the way except for 28 km (17 mi) in Germany and 6 km of city roads in Helsingør, Denmark; there are also two ferry connections.
European route E20 is a part of the United Nations International E-road network. It runs roughly west–east through Ireland, the United Kingdom, Denmark, Sweden, Estonia, and Russia.
The Capital Region of Denmark is the easternmost administrative region of Denmark, and contains Copenhagen, the national capital.
One of the six S-train radial lines in Copenhagen runs along the long-distance tracks on Vestbanen and provides local train service on its inner parts. The S-trains end at Høje Taastrup about 20 km west of the city centre.
Albertslund station is an S-train railway station serving the suburb of Albertslund west of the Danish capital Copenhagen. The station is situated in the central part of the suburb and is integrated in the adjacent open-air shopping centre, Albertslund Centrum.
Høje Taastrup station is a railway station in Høje-Taastrup Municipality in Greater Copenhagen, Denmark. The station constitutes an important transport hub for public transport in the western suburbs of Copenhagen.
Vallensbæk station is an S-train railway station serving the suburb of Vallensbæk Strand southwest of Copenhagen, Denmark. The station is located on the Køge radial of Copenhagen's S-train network. It serves the southern end of Vallensbæk Municipality, whereas the northern part of the municipality is better served by Albertslund railway station on the Høje Taastrup radial.
Hedehusene is a suburban town located on the rail line between Copenhagen and Roskilde in the Capital Region of Denmark. It has absorbed the villages of Baldersbrønde and Fløng and almost merged with Roskilde's eastern Trekroner neighbourhood to the west and Høje Taastrup to the east. To the south is the large recreational area Hedeland. As of 1 January 2024, the town had a population of 16,049. A large development project, NærHeden, created as a collaboration between Høje-Taastrup Municipality and Realdania, will expand the town to the southeast with a new sustainable neighbourhood.
There are over 1000 km of motorways in Denmark. They are all numbered and have formal names. The first motorway in Denmark opened in 1956 with the name Hørsholmvejen. Today this motorway is called Helsingørmotorvejen and is numbered E47.
Danish national road 15 is a road in Denmark, starting at Grenå and ending at Søndervig. Part of it is motorway quality.
Super Bikeways in metropolitan Copenhagen are a network of high quality bikeways under development to promote commuting by bicycle in metropolitan Copenhagen, Denmark. A collaboration between Copenhagen Municipality and 18 surrounding municipalities in Greater Copenhagen, the objective is to facilitate and increase commuting by bicycle.
Roskildevej is a road between Copenhagen and Roskilde in the Danish capital area. The direct continuation of Vesterbrogade, which begins at Copenhagen's City Hall Square, the road begins at Pile Allé and continues through Frederiksberg, Valby, Rødovre, Glostrup, Albertslund, Taastrup and Hedehusene to Roskilde. The section between Hedehusene and Roskilde is now known as Københavnsvej and in Hedehusene and Glostrup it is simply known as Hovedgaden.
Transport in Copenhagen and the surrounding area relies on a well-established infrastructure making it a hub in Northern Europe due to its road and rail networks as well as its international airport. Thanks to its many cycle tracks, Copenhagen is considered one of the world's most bicycle-friendly cities. The metro and S-train systems are key features of the city's well-developed public transport facilities. Since July 2000, the Øresund Bridge has served as a road and rail link to Malmö in Sweden. The city is also served by ferry connections to Oslo in Norway while its award-winning harbour is an ever more popular port of call for cruise ships.
Ring 5 is a proposed 5th ring road, built to motorway standards, around the city of Copenhagen. It is planned to be 70 km in length, running from the town of Køge to the south of the city to Helsingør in northern Zealand. The motorway is designed to divert heavy goods traffic outside of the city, providing more space on existing motorways, in particular Køge Bugt Motorvejen, Holbækmotorvejen, Motorring 3, Frederikssundmotorvejen, Hillerødmotorvejen, og Helsingørmotorvejen.
Constituencies are used for elections to the Folketing, the national parliament of Denmark. Denmark proper is divided into 10 constituencies largely corresponding to the Provinces of Denmark, each electing multiple members using open-list proportional representation. Those constituencies are then divided into 92 opstillingskredse which mainly serve the purpose of nominating candidates, but historically functioned as single-member constituencies electing one member using plurality voting.
Vestegnen is a term for a part of the former Copenhagen County, located west of Copenhagen. The area is defined as consisting of the municipalities of Rødovre, Hvidovre, Glostrup, Brøndby, Albertslund, Køge, Vallensbæk, Ishøj and Høje-Taastrup and covers the area around some of the stations of the S-train, which are on the lines towards Høje Taastrup and Køge, and which are within the former Copenhagen County. The urban area of Hundige is often included due to its proximity to the rest of “Vestegnen” and the former terminus on the Køge Bugt-banen, but Hundige is located in Greve Municipality and thus neither in the former Copenhagen County nor the current Capital Region of Denmark.
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