carpool lane

noun

plural carpool lanes

: a traffic lane (as on a freeway) reserved for high-occupancy vehicles : hov lane

Opening the carpool lanes is one part of overall improvements, … including new bridges, updated on- and off-ramps and more.

—Juliet Lemar

Examples of carpool lane in a Sentence

Recent Examples on the Web

The project is adding carpool lanes and resurfacing pavement on Highway 50 between Interstate 5 and Watt Avenue. — Stephen Hobbs, Sacbee.com, 17 Sep. 2026

Word History

First Known Use

1970, in the meaning defined above