Iceland gravel roads. Iceland roads are total of 13 thousand km but only about 5000 km. are paved with asfalt. The majority is gravel roads which need special attention while driving.The roads are narrow and sometimes with one-lane bridges and occasionally sheeps and icelandic horses can cross the roads.he Ring Road (route 1), called by the locals Hringvegur, is narrow but mostly paved and easy to drive. When leaving the Ring for the F-roads to reach the Iceland highland you must have the correct vehicle, extra caution is needed and important to check if the road is open for driving.