Punktförmige Zugbeeinflussung
After acknowledging the warning signal the train has to stay below the braking curve (German "Bremskurve") - fast trains may travel up to 165 km/h and they must reduce the speed to below 85 km/h after 23 seconds. Note that the operation of high speed trains beyond 165 km/h is not based on visual wayside signals or PZB inductors (using LZB or European Train Control System cab-signalling instead in Germany).
High-speed rail in China
The grid is composed of eight high-speed rail corridors, four running north-south and four east-west, and has a total of 12,000 km. Most of the lines follow the routes of existing trunk lines and are designated for passenger traffic only. They are known as passenger-designated lines (PDL). Several sections of the national grid, especially along the southeast coastal corridor, were built to link cities that had no previous rail connections. Those sections will carry a mix of passenger and freight. High-speed trains on HSR Corridors can generally reach . On mixed-use HSR lines, passenger train service can attain peak speeds of . This ambitious national grid project was planned to be built by 2020, but the government's stimulus has expedited time-tables considerably for many of the lines.