The track is situated in the south-west of the country about 250 miles from capital Seoul and designed by German architect Tilke, who dreamed up the layouts of the new tracks in Malaysia, China, Bahrain and Abu Dhabi.
But despite Tilke's concerns that the construction of the 135,000-seater track may not be completed on time, promoter Korea Auto Valley Operation chief executive Chung said everything was to the standards of F1 supremo Bernie Ecclestone.
"I understand that Mr Ecclestone is quite happy with not only the progress of the track but the direction the Korean F1 race is headed and he has raised no questions and concerns," added Chung.
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