sentence: Modern racetracks are designed with safety as the first priority.
sentences_after: This is very important for race tracks used in auto racing. Safety foe the spectator, track workers, and racers. Fences are often used to protect the spectators from the race track. Barriers, sometimes padded, are used to stop race cars if they run off the track.
concept_name: modern racetrack
headings: Race track Design
categories: Sports buildings