Just curious, but as far as I know:
- You can ride in HK
- You can ride in Macau.
- Not sure if motorcycle are allowed in Zhuhai?
so can you apply for a plate to ride from HK to China on the new bay bridge?
(that would be the only way I could think of riding a motorcycle through a border, since I believe motorcycle are banned in Shenzhen so you can't ride accross Huanggang or Shenzhen bay border)