2min chapter

99% Invisible cover image

Guerrilla Public Service Redux

99% Invisible

CHAPTER

Caltrans Signs - A New Look

Richard wanted his sign to be built to the exact specifications of Caltrans. The shield with a 5 on it is 3 feet, roughly high and wide. Richard was worried that he might drop the sign or one of his tools onto the road below. Drivers going 60 plus miles an hour would have no time to react if something landed in their path.

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