What is a turnpike?
The noun “turnpike” refers to a toll road.
Historically, a “turnpike” was a road where pikes—or long sticks—blocked a traveler’s way until they paid a toll. Nowadays, it’s used in American English to refer to an expressway.
“Turnpike” may be shortened to “pike,” like in the idiom coming down the pike, which means “coming down the road.”
A QuillBot Grammar Check can make sure you use “turnpike” correctly in your writing.