Other cyclists may find it useful to know (see previous posts) that the "closed" counties which aliens (foreigners) are not supposed to travel in south-western Hunan are (according to the Huitong PSB):
JingZhou (Miao and Dong Autonomous Zhen)
TongDao (Dong Autonomous Zhen)
I was picked up while out on the road, far from any town. Someone must have reported me when I went through a village. The PSB in Huitong say they arrest several foreign cyclists every year.
I got away with a formal 'warning' - including 3 1/2 hours of questioning, form-filling, fingerprinting, baggage searching, institutionalised faffing, etc.
In theory they could fine you quite heavily, and they will probably want to sling you out of the province by taxi at your expense.
This "closed area" precludes riding the G209 between Huaihua in Hunan and Guangxi in the south.