Skaugumsåsen

Skaugum is an estate, manor house and the official residence of Crown Prince Haakon of Norway and his wife Crown Princess Mette-Marit. The estate is located in Asker, 19 km (12 mi) southwest of Oslo, by the foot of the mountain Skaugumsåsen. The estate consists of 48 ha (120 acres) of agricultural lands and 50 ha (120 acres) of woodlands.

The Skaugum Tunnel (Norwegian: Skaugumtunnelen) is a 3,790-meter (2 mi) long railway tunnel in Asker, Norway, on the Asker Line. The tunnel runs between Asker Station and Solstad and was built as part of the first stage of the Asker Line, between Asker and Sandvika. Construction started in February 2002 and the tunnel opened on 27 August 2005. The tunnel was built by Mika for the Norwegian National Rail Administration using the drilling and blasting method with one crosscut. During construction there was one blasting accident. Since the tunnel opened, there have been problems with leaks damaging the infrastructure. The tunnel has double track, is electrified and allows for a maximum speed of 160 kilometers per hour (99 mph). The cost to build the tunnel, excluding the infrastructure, was 450 million Norwegian krone (NOK). The tunnel has accelerated intercity and regional traffic west of Oslo and freed up capacity for the Oslo Commuter Rail on the old Drammen Line.

Hvalstad is a village and a small part of the municipality of Asker. Hvalstad has slightly over 2,000 inhabitants, a number that has doubled since the 1970s. Hvalstad lies 20 kilometres from the centre of Oslo. Hvalstad Station is on the Drammen Line, which opened on October 7, 1872.

Hvalstad Station (Norwegian: Hvalstad stasjon) is a railway station of the Drammen Line located at Hvalstad in Asker, Norway. Situated 20.19 kilometers (12.55 mi) from Oslo Central Station, it consists of an island platform and serves the L1 line of the Oslo Commuter Rail operated by Vy. The station served 233,000 passengers in 2012. The line opened at the same time as the Drammen Line on 7 October 1872. The first station building was a wooden structure designed by Georg Andreas Bull. The station was moved in 1915 to its current location. This resulted in another wooden station building, designed by Jens Flor. The third station building, designed by Julie Kristiansen, was completed in 1957. This resulted in the station being raised to an elevated structure. Bull's building has been demolished, while Flor's and Kristiansen's have been listed as heritage sites.

Semsvannet is a lake in Asker municipality in Akershus county, southwest of Oslo, in Norway. The lake is situated close to, for the Norwegians, famous places such as the ridge Skaugumsåsen, the old cultural house Tangen and Skaugum the official residence of the heir to the throne of Norway, i.e. the crown prince or princess of Norway. The status of Semsvannet as a nature reserve was upgraded when the area was protected as a conservation area October 2, 1992. The lake and its vicinity was elected a millennium site in the year 2000.

Høn Station (Norwegian: Høn stoppested) is a railway station on the Drammen Line located at Høn in Asker, Norway. Situated 22.17 kilometers (13.78 mi) from Oslo Central Station, it consists of an island platform and serves the L1 line of the Oslo Commuter Rail operated by Vy. The station served 130,000 passengers in 2012. The station opened on 10 December 1930 and received double track in 1955. It became unstaffed in 1971.

Sem is a village in Asker, Akershus, Norway.

Vakås Station (Norwegian: Vakås holdeplass) is a railway station on the Drammen Line located at Vakås in Asker, Norway. Situated 21.23 kilometers (13.19 mi) from Oslo Central Station, it consists of an island platform and serves the L1 line of the Oslo Commuter Rail operated by Vy. The station served 155,000 passengers in 2012. The station was opened on 1 July 1957 as part of the doubling of the Drammen Line.

Asker (Norwegian: Asker), also called Asker proper (Askerbygda or gamle Asker in Norwegian), is a district and former municipality in Akershus, Norway. From 2020 it is part of the larger administrative municipality Asker (also known as Greater Asker) together with the traditional Buskerud districts Røyken and Hurum; Asker proper constitutes the northern fourth and is part of the Greater Oslo Region. The administrative centre was the town of Asker, which remains so for the new larger municipality. Asker was established as a parish in the Middle Ages and as a municipality on 1 January 1838.

Asker Municipality, informally referred to as Greater Asker (Norwegian: Stor-Asker), is a municipality in Akershus county, Norway, that was established in 2020 by the merger of Asker in Akershus and Røyken and Hurum in Buskerud county. Asker proper (also called Askerbygda) constitutes the northern fourth of the municipality, while Røyken and Hurum constitute the southern three quarters. It is part of the Greater Oslo Region. The administrative centre of the municipality is the town of Asker.

Asker Station (Norwegian: Asker stasjon) is a railway station located in downtown Asker, Norway. Situated on the Drammen Line, 23.83 kilometers (14.81 mi) from Oslo Central Station, it also serves as the terminus of the Asker Line and the Spikkestad Line. The station is located just southwest of the Asker Tunnel and the Skaugum Tunnel, and just northeast the Lieråsen Tunnel. Vy serves the station with local, regional and intercity trains. It is also served by the Airport Express Train and serves as the main bus terminal for the town. The station has six tracks and four platforms, consisting of two island platforms and two side platforms. The station had 8,400 daily passengers in 2008. The station opened along with the Drammen Line on 7 October 1872. The original station building was designed by Georg Andreas Bull in Swiss chalet style. The station underwent a renewal from 1917 to 1922, receiving gauge conversion to standard gauge, electrification and a new station building designed by Ragnvald Utne. Double track was laid from 1955 to 1958, including building the Asker Tunnel just northeast of the station, and a new station building opened in 1960. The Lieråsen Tunnel opened in 1973, cutting the distance to Drammen, and resulted in the old line becoming the Spikkestad Line. The station received an overhaul in 1998 and again in 2006. The latter was in conjunction with the construction of the Asker Line.

Asker Upper Secondary School (Norwegian: Asker videregående skole) is an upper secondary school in Asker, Norway. Founded in 1955, it has 680 students aged 16–19, as of 2018. The school only offers a general academics program, after the sports program got moved to Bleiker Upper Secondary School (Norwegian: Bleiker videregående skole)