Partial connection point

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A partial junction ( TAS for short ) or a half junction (in Austria, HASt for short ) is a junction of a motorway or a motorway (motorway-like roads, expressway) , where you can only exit from one direction and only enter the motorway in one direction . This works for one directional lane (left or right-hand half-way) as well as for the motorway (from and to only one direction). The partial connections in the broader sense then include all other forms of irregular connections (only one connection or a missing connection). If the access road at a partial junction is also a motorway, it is called a motorway fork . As with full connections, the motorway feeder is an intermediate form as a short stretch of road with the character of a motorway.

There are several reasons for building a partial junction. Dense development or difficult terrain around the junction often prevent the construction of further connecting ramps . In other cases, a partial connection point is set up first and this is later expanded into a complete connection point. In this case, the partial connection point represents an intermediate expansion stage. Often half connections for one direction are supplemented by nearby half connections for the other direction (distributed full connection).

Motorway triangles and motorway junctions can also be designed in such a way that it is only possible to drive up and down in certain directions. One example is the Bordesholm motorway triangle .

  • Connection only from / to one destination

  • Connection only from / in one direction of travel

  • Partial junction: only one exit

  • Height-free partial connection point

Examples

Connection points

Partial connection points
place Highway Driveway Departure Design (reasons) Coordinates
Junction Werfen / Pfarrwerfen (Exit 43/44) AT A 10 Throw only to Salzburg ; Parish throw only to Villach Throw only from Salzburg; Parish throw only from Villach Throw: feeder ; Pfarrwerfen: 2 direct ramps (lack of space in the Alpine valley) 47 ° 28 '14 "  N , 13 ° 11' 57"  E 47 ° 27 '26 "  N , 13 ° 12' 45"  E
Exit Delmenhorst -Ost DE A 1 no only from Osnabrück is right next to the Stuhr motorway junction with the A 28 and its complete connection point Groß Mackenstedt , see graphic
Exit Bad Eilsen -Ost DE A 2 no only from the direction of Hanover 52 ° 13 '16 "  N , 9 ° 7' 32"  E
Idstein- Süd driveway DE A 3 only in the direction of Frankfurt am Main no Relief of the Idstein junction in the morning rush hour 50 ° 12 ′ 17 ″  N , 8 ° 15 ′ 7 ″  E
Frechen- Nord junction DE A 4 only in the direction of Aachen only from Aachen has a CGTL 50 ° 55 ′ 47 "  N , 6 ° 49 ′ 11"  E
Frankfurt-Westhafen exit DE A 5 only in the direction of Kassel only from Kassel 50 ° 5 ′ 26 "  N , 8 ° 37 ′ 3"  E
Bochum Freudenbergstrasse exit DE A 40 no driveway only towards food Feeder to an industrial area (Schlachthof Bochum), the connected Freudenbergstraße leads directly to the following junction Bochum-Hamme 51 ° 29 '49 "  N , 7 ° 11' 58"  E
Driveway Alsdorf -Begau DE A 44 only in the direction of Aachen no departure 50 ° 50 '48 "  N , 6 ° 11' 44"  E
Reichswaldallee driveway DE A 44 only in the direction of Kreuz Ratingen-Ost no departure
Junction Böblingen -Ost DE A 81 only in the direction of Stuttgart only from Stuttgart 48 ° 42 ′ 13 "  N , 9 ° 2 ′ 14"  E
Binzen junction DE A 98 only in the direction of Loerrach only from the direction of Lörrach (temporary exit) 47 ° 37 ′ 40 "  N , 7 ° 37 ′ 12"  E
Junction Britzer Damm DE A 100 only in the direction of Hamburg only from Hamburg Entrance and exit directly into the tunnel
Junction Vienenburg -Süd DE A 369 only in the direction of Bad Harzburg only from the direction of Bad Harzburg Feeder from the south, connection to the east / north via A 36 51 ° 55 '50 "  N , 10 ° 33' 51"  E
Exit Bonn -Tannenbusch DE A 565 only in the direction of the Bonn-Nordost triangle only from the Bonn-Nordost triangle 50 ° 44 ′ 33 "  N , 7 ° 4 ′ 18"  E
Exit Neustadt-Ost DE B 31 only in the direction of Donaueschingen only from the direction of Donaueschingen AS at the Gutachtalbrücke , completed via AS Rudenberg
Junction Lutter am Barenberge DE B 82 only in the direction of Goslar only from the direction of Goslar Feeder to / from Lutter am Barenberge, completion via junction B 82 / B 248 further west 51 ° 57 ′ 19 ″  N , 10 ° 16 ′ 3 ″  E

Motorway junctions and triangles

Partial connection points
place Highway Driveway Departure Design (reasons) Coordinates
Bordesholm motorway triangle DE A 7 / A 215 only in the direction of Hamburg only from Hamburg 54 ° 10 ′ 24 ″  N , 9 ° 57 ′ 24 ″  E
Autobahn triangle Hanover-North DE A 7 / A 352 only in the direction of Hamburg only from Hamburg 52 ° 32 ′ 42 "  N , 9 ° 47 ′ 54"  E
Motorway triangle Hannover-Süd DE A 7 / A 37 only in the direction of Kassel only from Kassel 52 ° 18 '15 "  N , 9 ° 52' 35"  E
Salzgitter motorway triangle DE A 7 / A 39 only in the direction of Kassel only from Kassel Completion of the triangle by AS Baddeckestedt (A 39), B 6 and AS Derneburg / Salzgitter (A 7) 52 ° 5 ′ 11 "  N , 10 ° 10 ′ 54"  E
Motorway triangle Hannover-West DE A 2 / A 352 only in the direction of Bielefeld only from Bielefeld 52 ° 25 '39 "  N , 9 ° 39' 57"  E
Saarbrücken motorway triangle DE A 6 / A 620 only in the direction of Mannheim only from Mannheim AS Saarbrücken-Güdingen at the end of the A 620

Incomplete connection points

In addition, there are incomplete junctions where it is not possible to drive up or down from one direction.

Incomplete connection points
place Highway Missing connection Design (reasons) Coordinates
Exit Windach A 96 Departure from Landsberg am Lech 48 ° 4 ′ 24 "  N , 11 ° 2 ′ 13"  E

See also

  • Double junction - one junction to several connected roads