Simplify the following text for a Grade 8 native English-speaking person.
Original: 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 .
Simplified: 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 .