Transportation in China in 1988

Public Security Bureau (PSB) - 25

Remember that China has a vast Public Security Bureau. Known as the PSB, it is everywhere. Checkpoints are on highways, airports, bus, and train stations. As a foreigner, you will be required to show proper identification when ever you stay at a hotel or travel on public transportation. Local train and bus line are not included. You must show ID when buying airline tickets and when boarding. This is an entrance to a National Park. Everyone is required to show an ID.