With a collected effort from locals, The Icelandic Road Administration and the Soil Conservation Service of Iceland, the spreading of the rivers south of the road was reduced with dykes in the late 1970s to the early 1980s.
Með samstilltu átaki heimamanna, Vegagerðarinnar og Landgræðslu ríkisins var umfang ánna sunnan þjóðvegar heft með varnargörðum seint á 8. áratugnum og á fyrri hluta 9. áratugarins.