No U-Turn, Outline Small 320×320 Medium 640×640 Large 1024×1024 Download Tiff Original 3000×3000 | (545.9 KB) Description The "No U-turn" sign should be used at a location specified for "No Left Turn" signs. Keywords kregoutline, no u-turn, u-turn prohibited Galleries Regulatory Signs Source: Federal Highway Administration Manual on Uniform Traffic Control Devices for Streets and Highways, 2003 Edition (including 2004 and 2007 revisions) (Washington, DC: United States Department of Transportation, 2007)