MUTCD W2-6 traffic circle/roundabout ahead From: Manual on Uniform Traffic Control Devices for Streets and Highways - 2003 Edition
For the mandatory movement sign at the traffic circle, see MUTCD R6-5P.svg.
Any traffic control device design or application provision contained in this Manual shall be considered to be in the public domain. Traffic control devices contained in this Manual shall not be protected by a patent, trademark, or copyright, except for the Interstate Shield and any other items owned by FHWA.