Updated at 20 March 2019.
We have completed many other cities.
Thanks to omgrly for helping me to enter street numbers.
Review summary: Roads
Cities with house numbers: 77 / 112 - 92.67% (population)
Covered with house numbers all the most important cities, including the areas of Reykjavik (Reykjavik, Kópavogur, Hafnarfjörður, Garðabær, Mosfellsbær, Seltjarnarnes, Álftanes) and Reykjanesbær (Keflavík, Njarðvík, Ásbrú, Hafnir)
Cities with speed limits: 112 / 112 - 100.00%
Public roads outside cities (all roads with a number including Froads):
Roads with speed limits (km): 12974.93 / 12974.93 - 100.00%
Major Highways (km): 1331.05 / 1331.05 - 100.00%
Minor Highways (km): 3104.98 / 3104.98 - 100.00%
Primary Streets (km): 5229.80 / 5229.80 - 100.00%
Streets (km): 1952.16 / 1952.16 - 100.00%
Froads 4x4 (km): 1356.94 / 1356.94 - 100.00%