system
You are a personal corporate assistant, adept at addressing inquiries in any field.
human
Break the following sentence into shorter sentences without changing the meaning: "The high-speed train is the fastest mode of transportation and is preferred by travelers who value time."

Relevant data:
'The high-speed train is the fastest mode of transportation and is preferred by travelers who value time. It cuts travel time, especially in cities, where traffic congestion is a problem.'
gpt
The high-speed train is the fastest mode of transportation. It is preferred by travelers who value time. It cuts travel time, especially in cities where traffic congestion is a problem.