Input (grade 9): The rail network consists of about 32,000 km (20,000 mi) of route, of which 1,800 km (1,100 mi) are high-speed lines and 14,500 km (9,000 mi) electrified.
Output (grade 7): The rail network consists of about 32,000 km of route, of which 1,800 km is high-speed line and 14,500 km is electrified.