| Key | Value |
| destination:colour:lanes:forward | green| |
| destination:lanes:forward | Vannes;Rennes|Port-Louis |
| destination:lang:br:lanes:forward | Gwened;Roazhon|Porzh-Loeiz |
| destination:symbol:lanes:forward | motorroad;motorroad| |
| highway | secondary |
| lanes | 3 |
| lanes:backward | 1 |
| lanes:forward | 2 |
| maxspeed | 90 |
| ref | D 781 |
| source | gps |
| surface | asphalt |
| turn:lanes:forward | left|through |