After the Camden council in London removed all the park benches because bums were sleeping on them, self proclaimed anarchists, The Space Hijackers, wearing bright yellow vests installed new ones in broad daylight.
This story reminds of LA artist, Richard Ankrom, creating his own perfect facsimile Caltrans sign to label an exit to I-5 back in 2001. The sign is still there; hanging on gantry 23100, on the northbound state route 110, just before the 3rd St. overpass.