Permissible for bicycles. With this missing the routing engine at ridethecity.com / hjolavefsja.is proposed a detour.

Kjarvalsstaðir public gallery. Visual art.

Highway footway

Trying to make it clear that is very OK to use this link to create a good bicycle route

Apparrently connections to the residential streets on both ends were missing.

A sidewalk, really linking Stjörnugróf in REykjavík with a residential road in the neighboring municipality, Kópavogur