I'd say if I didn't get buzzed it would be a good day. You have to protect your turf and the drivers need to get used to you. When I was commuting everyday this summer I was well treated. However after taking some weeks off and getting back into it I could tell the drivers weren't happy to have me back. On average I might get buzzed twice per trip so maybe 4 times for the day. I've taken to just shouting 'Hey!" really loud so they know I know they were intentional. Try to avoid a confrontation though - those are always regrettable.