HackerTube / Video
Guerrilla Public Service 2011
Richard Ankrom

Richard Ankrom's account of his 2001 guerrilla project, in which he painted and installed a missing freeway exit sign on a Pasadena freeway. The sign matched official standards and stayed up for years before being discovered.
HN cites it as the best-known example of a citizen quietly fixing public infrastructure, often in threads on unsanctioned civic repairs.
3 Hacker News mentions · 2018–2025