I hit a boulder at 3 am on a state road i was going about 35 -40 mph in a 55 it was foggy i totaled my car and?

foggy and it was like the boulder came out of nowhere i did not have time to hit my break my car was totaled and so far i have been out of work for about 4 days and probably another 4 to 5 days is there anything i can do or should i just call it a nightmare and my loss ?