Hæ!
One possible reason for the difference could be that Vegagerðin's file
only includes the road segments they deem themselves responsible for. If
the road itself continues and under the same name, it could affect the
results. Sometimes we don't have any information to indicate a name
change or
Thank you for this Michael.
Driveways are an interesting case - they are an obligation for the
Vegagerðin *as long* as it is a residence. However if it is no longer a
full time residence it is stricken of their list of maintained roads.
Thus we can have these smaller roads appearing and
Komi i sl og blessu.
My Icelandic language skills are not good enough to write a letter so
Im writing my message in English.
I did in the last time a road network analysis on OSM Iceland data. Here I
checked with the road list from vegagerdin