Bundesautobahn 620
is an autobahn in Germany, connecting Saarlouis with Saarbrücken. Together with the BAB8, it serves as part of the connection between Luxembourg and Germany. As the major part of the BAB 620 is alongside the river Saar, one section in Saarbrücken, the so-called "Stadtautobahn" is subject to flooding several times a year. Because of that, locals jokingly call it "Bundesschifffahrtsstrasse" and "Nebenfluss der Saar mit 13 Buchstaben". A tunnel is being discussed to circumvent the flooding problem.
Exit list
| km | Exit | Name |
| Saarlouis 3-way interchange | ||
| Wallerfangen | ||
| Saarlouis-Mitte, | ||
| Tankstelle | ||
| Saarlouis-Lisdorf | ||
| Ensdorf | ||
| Wadgassen | ||
| Bistbrücke 75 m | ||
| Völklingen-Wehrden | ||
| Rosseltalbrücke 500 m | ||
| Völklingen-Geislautern | ||
| Hallerbrücke 700 m | ||
| Völklingen-Mitte | ||
| Völklingen-Ost | ||
| Services Völklingen | ||
| Temporary exit when flooded | ||
| Saarbrücken-Klarenthal | ||
| Saarbrücken-Gersweiler | ||
| Saarbrücken-Messegelände | ||
| Filling station | ||
| Saarbrücken-Malstatter Brücke | ||
| Saarbrücken-Westspangenbrücke | ||
| Saarbrücken-Luisenbrücke | ||
| Saarbrücken-Wilhelm-Heinrich-Brücke | ||
| Saarbrücken-Bismarckbrücke | ||
| Temporary exit when flooded | ||
| Saarbrücken-St. Arnual | ||
| Saarbrücken-Unner | ||
| Saarbrücke 250 m | ||
| Saarbrücken-Güdingen | ||
| Saarbrücken 3-way interchange |