R21 damaged my car rude man Kobus why sanral bunch of people who don’t care

The R21 has caused damage to my windscreen mr Kobus Jansen van Rensburg is rude and disrespectful he says R21 highway has no issues at all.so the rocks and tar pieces are not a problem for him. I said that the road is coming lose but he denies that the R21 is shoddy