I do like the odd Tarmac drive, I like it when my family is doing it as well. I go on the roller, Alan or Ian hand lay it (my 2 brothers) if machine laid, Simon my other brother would be there (but he’s not). George my son doing what we all did, running around doing everything, and getting shouted at.
This is an old concrete drive, I’m not keen to lay tarmac on concrete, because it looks fine over the first few years, then, where the concrete joins, with an expansion joint, a crack in the tarmac may show.
What we’ve done is fill all holes with the same material, i.e concrete, tar sprayed the concrete area with K140 tack coat (bitumen emulsion) and layed 6mm medium textured wearing course at 30-40mm thick.