Is “Speedway” a Scrabble word?
Yes
SPEEDWAY
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Speedway
/ˈspiːdweɪ/
noun
1.A form of motorcycle racing on flat (without camber) oval dirt tracks using motorcycles with neither brakes nor gears.
2.A form of bicycle racing on flat (non-banked) oval dirt tracks.
3.A racetrack venue designated especially for the sport of auto racing.
Synonyms: bicycle speedway, cycle speedway, motorcycle speedway, motor speedway, motospeedway