speed zone—a section of road subject to a lower than normal speed limit:
- A plan to turn central Sydney into a 40 kmh speed zone has been met with concern by taxi drivers.
speedway—
1. a road on which motor vehicles may travel fast:
- You can see it [mansion] any day you drive up the speedway. It has stood there for over a hundred years.
2. a racing track for motor vehicles:
- Fans from around the world converge on the speedway for the best in road racing, super cross and dirt track competition.