Divided Highway, Color
A Divided Highway symbol sign should be used on the approaches to a section of highway (not an intersection or junction) where the opposing flows of traffic are separated by a median or other physical barrier. The word message DIVIDED HIGHWAY or DIVIDED ROAD sign may be used as an alternate to the symbol sign.
GalleriesAdvisory and Warning Signs
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)