| Key | Value |
| destination:lanes | Seesen|Seesen|Braunlage;Clausthal-Zellerfeld |
| destination:ref:to:lanes | A 7|A 7| |
| destination:symbol:lanes | ||industrial |
| destination:symbol:to:lanes | motorway|motorway| |
| highway | trunk |
| lanes | 3 |
| lit | no |
| maxspeed | 70 |
| motorroad | yes |
| oneway | yes |
| placement | right_of:1 |
| ref | B 243 |
| source:destination:symbol:lanes | Autobahnatlas |
| source:maxspeed | sign |
| surface | asphalt |
| toll:N3 | yes |
| turn:lanes | none|none|slight_right |