1. a road or highway designed for fast-moving traffic
2. a racetrack for automobile or motorcycle racing

Examples

• The speedway connects the city to the suburbs.
• Traffic moves quickly on the new speedway.
• The Indianapolis Motor Speedway hosts the famous Indy 500 race.
• Drivers practice on the speedway before the big race.
• The speedway was closed for construction.
• Fans gathered at the speedway to watch the NASCAR event.
• The motorcycle speedway featured tight turns and high speeds.