https://laughingsquid.com/the-rainbow-waldo-tunnel-in-marin-county-officially-renamed-the-robin-williams-tunnel/
The Rainbow Waldo Tunnel In Marin County Officially Renamed the Robin Williams Tunnel
Mar 3, 2016 - In April 2015, the California Assembly voted unanimously to rename the rainbow decorated Waldo Tunnel in honor of the late great Robin Williams, who had
the rainbowwaldo tunnelmarin county
https://sfist.com/2014/08/19/move_to_rename_waldo_tunnel_after_r/
Move To Rename Waldo Tunnel After Robin Williams Gains Political And Petitioner Support: SFist