Sign R75-1 “CHAIN OFF AREA AHEAD” as specified unofficially by the California Department of Transportation and omitted from the <i><a href="https://en.wikipedia.org/wiki/California_Manual_on_Uniform_Traffic_Control_Devices" class="extiw" title="w:California Manual on Uniform Traffic Control Devices">California Manual on Uniform Traffic Control Devices</a></i>, with text converted to paths for display.
California Department of Transportation
2006-05-16
<a rel="nofollow" class="external text" href="https://dot.ca.gov/-/media/dot-media/programs/safety-programs/documents/signs/f0019463-unofficial-r75-1-a11y.pdf">CHAIN ON (OFF) AREA AHEAD</a>