Sentence examples for the green light from inspiring English sources

"the green light" is a correct and usable part of a sentence in written English.
It can be used as a noun phrase or as a verb phrase. Example 1 (noun phrase): "The driver stopped her car when she saw the green light at the intersection." Example 2 (verb phrase): "After months of preparation, the project finally received the green light from the board of directors to proceed with implementation."