
die Anschlussstelle
junction
An entrance or exit ramp that connects a road with a motorway or expressway.
Wir müssen an der nächsten Anschlussstelle von der Autobahn abfahren.
We have to get off the motorway at the next junction.
junction / connection point
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junction
An entrance or exit ramp that connects a road with a motorway or expressway.
Wir müssen an der nächsten Anschlussstelle von der Autobahn abfahren.
We have to get off the motorway at the next junction.

connection point
A technical point where a device or line can be connected, for example a port or socket.
Der Router hat vier Anschlussstellen für Netzwerkkabel.
The router has four connection points for network cables.
The word is made up of 'der Anschluss' (connection) and 'die Stelle' (place/point). So it literally describes a place where a connection is possible, whether on the road or in technology.
An dieser Stelle wird eine neue Anschlussstelle für die Autobahn gebaut.
A new motorway junction is being built at this spot.
The context makes clear which meaning is intended. Words like 'Autobahn' (motorway), 'abfahren' (to exit), or 'A8' point to the road connection. Terms like 'Router' (router), 'Kabel' (cable), or 'Port' (port) indicate the technical meaning.
Die Anschlussstelle Hamburg-Moorburg war wegen eines Unfalls gesperrt.
The Hamburg-Moorburg junction was closed because of an accident.
In the context of motorways, the phrases 'die nächste Anschlussstelle nehmen' (to take the next junction) or 'an der Anschlussstelle abfahren/auffahren' (to exit/enter at the junction) are often used.
Um nach Hause zu kommen, müssen wir die nächste Anschlussstelle nehmen.
To get home, we have to take the next junction.
When you are at an Anschlussstelle (junction) or perform an action there (e.g. exiting), you use the preposition 'an' with the dative.
An der Anschlussstelle Köln-Ost gibt es oft Stau.
There is often traffic at the Cologne-East junction.
connection
Anschluss generally refers to connecting a device or cable to a network or another device. Anschlussstelle, by contrast, specifically refers to the designated place for this, such as a socket or port. When you mean the connection, Anschluss is appropriate; when you mean the place for it, Anschlussstelle is appropriate.

Die Anschlussstelle für den Monitor befindet sich an der Rückseite des Computers.
The connection point for the monitor is located on the back of the computer.
Der Anschluss des Monitors an den Computer funktioniert problemlos.
The monitor’s connection to the computer works without any problems.