hanging yellow
n.— «Not all yellow lights are timed the same. Some tend to be fast and other times you get one of those “hanging yellows” as they are called that seem to stay yellow for a long time.» —“Red light cameras trigger warnings—for now” by Debbie Carson Temple Terrace University Beacon (Temple Terrace, Florida) Sept. 29, 2008. (source: Double-Tongued Dictionary)