Federal motorway 23

Bundesautobahn 23 in Germany
map
Basic data
Operator:	Federal Republic of Germany
Start of the street:	Norderwöhrden ( 54 ° 11 ′  N , 9 ° 3 ′  E )
End of street:	Hamburg ( 53 ° 37 ′  N , 9 ° 55 ′  E )
Overall length:	96 km
State :	Schleswig-Holstein Hamburg
Development condition:	four-lane
Course of the road State of Schleswig-Holstein Transition from Tönning to Husum (2)  Heath West Storm surge world "Blanker Hans" (3)  South Heath about railroad Dithmarschen Moorbek Parking lot (with toilet) Dithmarscher Geest Albersdorf Stone Age Park (4)  Albersdorf Meldorfer Dom (5)  Schafstedt Mühlenbach (150 m)  Road bridge Kiel Canal ( Hohenhörn high bridge 390 m) Parking lot for the Kiel Canal across street watermill Iselbek (6)  Hanerau-Hademarschen over dirt road under Wackener Weg under street Kohlenbek under street Kohlenbek (7)  Schenefeld Stegau under Hörstener Weg Village street Parking space (with toilet) Kaaksburg under Saarener Weg over dirt road Get it under main street via Westermöler Weg Mühlenbach across street (8th)  Itzehoe -North under Siemensstrasse under footbridge via Juliankaweg Sieversbach over railroad tracks (9)  Itzehoe center (1160 m)  Störbrücke sturgeon (110 m)  Railway and road bridge via Sandweg Brook Lübsche weather (10)  Itzehoe-South Wenzel Hablik Museum Itzehoe (11)  Lägerdorf Glückstadt city monument Great bettors (12)  Hohenfelde Elbmarschen Cross Steinburg Parking lot (with toilet) conversion as: Steinburg rest area (13)  Horst / Elmshorn Krückau (14)  Elmshorn (15)  Tornesch under Asperhorner Weg Parking lot (with toilet) Forst Rantzau Bilsbek under Essinger Waldweg under Ophof under Prisdorfer Strasse under Elmshorner Strasse Tree nursery district Pinneberg (16)  Pinneberg -North under Haidkamp Pinnau via Tangstedter Straße (17)  Pinneberg center under footpath Mühlenau (18)  Pinneberg-South Düpenau (19)  Halstenbek / Rellingen under footpath under footpath (20)  Halstenbek- Krupunder Free and Hanseatic City of Hamburg under footpath under Halstenbecker Strasse via Brookgraben via the Hamburg-Altona-Neumünster ( AKN ) railway line (21)  Hamburg-Eidelstedt (60 m)  Road bridge (22)  Triangle Hamburg-Northwest   Under construction In planning Traffic control system Remarks:  Map with all coordinates: OSM | WikiMap map

The federal highway 23 (abbreviation: BAB 23 ) - short form: Autobahn 23 (abbreviation: A 23 ) - is a four-lane highway 96 kilometers in length between the Schleswig-Holstein Heide and the federal highway 7 in Hamburg . It is also called the West Coast Highway.

course

The A 23 begins at the Hamburg-Nordwest motorway triangle , the first junction is Eidelstedt . Shortly afterwards, the A 23 crosses the border to Schleswig-Holstein and crosses Krupunder . It goes around the inner cities of Pinneberg and Elmshorn and continues past Lägerdorf . Itzehoe bypasses the town , then crosses the Kiel Canal near the municipality of Schafstedt , passes Albersdorf and heads north-west to Heide (Holstein) , which is bypassed to the south-west. To the northwest of Heide, the autobahn turns into federal highway 5 (n).

history

The first section of the route was opened in 1964 from today's Hamburg-Stellingen junction as a bypass from Hamburg-Eidelstedt to the state border of Hamburg. This section between Stellingen and Krupunder was planned and built in this area at the same time as the construction of the B 4 in the direction of Neumünster and Kiel (today part of the A 7 ), today's Hamburg-Northwest motorway triangle marks the separation of the two federal highways at that time . In 1968 the four-lane passage through Halstenbek (with traffic light-controlled crossings) and bypassing Pinneberg was completed, both at the time as a new construction of the federal highway 5 , in the route of which it merged from 1968 north of the Pinneberg-Nord junction near Kummerfeld . The route to Elmshorn followed in 1975 and to Itzehoe in 1981. The last section from Itzehoe to Heide was completed in 1990, but there was still a gap between Itzehoe-Süd and Itzehoe-Mitte (including the Störbrücke); this section was operated in the area of ​​the ramps of the Störbrücke in the "2 + 1" procedure (two lanes "uphill" and one lane "downhill"). Since 1975 the route has been designated as A 23, initially with the gap in Halstenbek (here still as federal highway 5 until expansion-free expansion in 1986).

Since the early 1960s, representatives of the west coast had been calling for this section of the country to be better connected to the German road network. However, the autobahn was born much earlier. As early as the 1930s, the need to improve the traffic conditions on what was then Reichsstraße 5 was recognized and, among other things, the Elmshorn bypass was prepared, which was completed between 1947 and 1950.

On May 12, 1969, the then Federal Transport Minister Georg Leber announced a four-lane expansion of federal highway 204 between Itzehoe and Heide (a "shortcut" between these towns on the B 5, which runs in a wide arc directly on the west coast of Schleswig-Holstein). In February 1984 the first groundbreaking ceremony took place between Schafstedt and the Hohenhörn canal ferry. On 20./21. May 1989 the 360 ​​meter long and 56 meter high Hohenhörn high bridge was inaugurated over the Kiel Canal. The first section opened was the city bypass in Heide, which was released on June 30, 1989, initially the last section on October 1, 1990, the eight kilometer stretch between the Schenefeld and Itzehoe-Nord junctions. The construction of the 45-kilometer section from Itzehoe to Heide cost 402 million marks (today: around 342,902,000 euros). The motorway runs over a total of 70 bridges in this area.

Old Störbrücke on the A 23 at the start of construction work; Please note the steel supports on the right and left of the river crossing that have been in place for years.

Opening of the western Stör Bridge in October 2015

From March 2, 2006, the B 5 / B 204 was also expanded to four lanes between the junctions Itzehoe-Mitte and Itzehoe-Süd and released on June 11, 2016, also here as the A 23. The Stör Bridge, which was built here from 1965 to 1967, was only approved for traffic until 2013, a renovation because of the rusted steel cables inside and the questionable quality of the building materials from the start did not seem sensible. It was replaced by two new two-lane bridges. First, the north-east bridge was rebuilt, after the road was opened in June 2010, the old bridge was demolished and a second new bridge for the south-facing direction was built in the same place and opened to traffic in October 2015. The design of the new bridges is based on Paul Klee's painting Revolution of the Viaduct . The whole gap closure adds up to around 159 million euros. Around half of the costs were for the demolition and construction of the bridge.

Planned expansion measures

The A 23 is to be expanded to six lanes in the Hamburg area in the long term. In a transitional period, the hard shoulder could be opened to flowing traffic. The route section is particularly congested in rush hour traffic; over 75,000 vehicles are counted here every day. The law on the expansion of trunk roads, which was amended at the end of 2016, provides for the six-lane expansion between Tornesch and Eidelstedt in urgent need - removing bottlenecks .

particularities

At the Pinneberg-Mitte, Halstenbek-Rellingen and Halstenbek-Krupunder driveways, there are flow control systems that allow only individual vehicles to enter the motorway when there is heavy traffic by means of rapidly changing traffic lights, thus avoiding traffic jams on the motorway due to excessive traffic.

Another special feature is the transition to the A 7 to the north. Traffic leaves the A 23 at the Hamburg-Eidelstedt exit and meets the traffic light-controlled intersection on Holsteiner Chaussee. The straight-ahead lane then leads directly into a tunnel of the Hamburg-Nordwest motorway triangle and thus onto the A 7. Originally, the motorway triangle was built as a pure fork towards the north; the redesign took place in the 1990s.

See also

• List of federal motorways in Germany

Web links

Commons : Bundesautobahn 23  - Album with pictures, videos and audio files

• Detailed route description of the federal highway 23
• History of the A 23

Individual evidence

1. ^ Henning Maruhn: History of the A 23. autobahn-online.de, accessed on June 19, 2011 . 
2. ↑ Relief for the west coast. In: www.schleswig-holstein.de. Ministry of Economics, Transport, Labor, Technology and Tourism, June 13, 2016, accessed on June 13, 2016 : "From July 8, car traffic will be able to roll on the A23 without restrictions." 
3. ↑ Claus Reese: They took some kind of cement and sand from the next gravel pit . Ed .: State Office for Road Construction. February 8, 2008 (quote from Dithmarscher Landeszeitung).
4. ↑ Bridge Festival A 23, 2nd Stör Bridge open to traffic on Saturday, October 24th, 2015. (No longer available online.) In: www.schleswig-holstein.de. State Office for Road Construction and Transport Schleswig-Holstein, November 9, 2015, archived from the original on January 31, 2016 ; accessed on January 31, 2016 . 
5. ↑ The gap on Autobahn 23 is finally closed. In: Die Welt Online . June 13, 2016, accessed June 13, 2016 . 
6. ↑ Alexander Sulanke: Will Autobahn 23 soon have six lanes? In: Abendblatt.de. March 3, 2016, accessed December 16, 2016 . 
7. ↑ Sixth law amending the law on the expansion of trunk roads . In: Federal Law Gazette Part 1 . Volume 2016, No. 67 . Bundesanzeiger Verlag, Bonn December 30, 2016, p. 3354 ff . ( bgbl.de [PDF; 228 kB ; accessed on May 3, 2017]).
8. ↑ A23 traffic lights make traffic faster
9. ↑ Geoportal Hamburg Historical Maps under Topics> Technical Data, accessed on September 9, 2018