AKreisstraße (literally: "district road" or "county road") is a class of road in Germany. It carries traffic between the towns and villages within a Kreis or district or between two neighbouring districts. In importance, the Kreisstraße ranks below a Landesstraße (or, in Bavaria and Saxony, a Staatstraße, i.e. a state road), but above a Gemeindestraße or "local road". Kreisstraßen are usually the responsibility of the respective rural district (Landkreis) or urban district (Kreisfreie Stadt), with the exception of high streets through larger towns and villages. Kreisstraßen are usually dual-lane roads but, in a few cases, can be built as limited-access dual carriageways in densely populated areas.
Unlike local roads (Gemeindestraßen) the Kreisstraßen are invariably numbered, but their numbering is not shown on signs. The abbreviation is a prefixed capital letter K followed by a serial number. In most states the car number plate prefix for the district is placed in front of the road number instead, for example in Bavaria. The Kreisstraßen are numbered in the individual federal states as follows:
| State | System |
|---|---|
| Baden-Württemberg | state-based numbering system, always four digits (e.g. K 1419, K 2842 and K 4366), the first two digits indicate the district |
| Bavaria | district-based numbering system (e.g. NU 1 to NU 19 in the district of Neu-Ulm, NES 1 to NES 54 in the district of Rhön-Grabfeld) |
| Berlin | noKreisstraßen |
| Brandenburg | state-based numbering system, always four digits (e.g. K 6307, K 6813 and K 7329), the first two digits indicate the district |
| Bremen | noKreisstraßen |
| Hamburg | noKreisstraßen |
| Hesse | state-based numbering system (e.g. K 11, K 138 and K 180) |
| Lower Saxony | district-based numbering system (e.g. K 6, K 71 and K 304) |
| Mecklenburg-Vorpommern | district-based numbering system |
| North Rhine-Westphalia | district-based numbering system (e.g. K 8, K 27 and K 70), the numbering system is retained when roads cross the boundaries |
| Rhineland-Palatinate | district-based numbering system (e.g. K 12, K 29 and K 58) |
| Saarland | noKreisstraßen |
| Saxony | state-based numbering system, always four digits (e.g. K 6201, K 8053 and K 9204), the first two digits indicate the district |
| Saxony-Anhalt | state-based numbering system, always four digits (e.g. K 1002, K 1227 and K 2074) |
| Schleswig-Holstein | district-based numbering system (e.g. K 1, K 10) |
| Thuringia | district-based numbering (e.g. K 9, K 19 and K 112) |
Authority control databases: National  |
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