Vision Zero is a European concept that has been approved by a dozen cities in the U.S. including Tampa. The Tampa City Council, the Metropolitan Planning Organization, the Hillsborough County School System have all approved Vision Zero.
The core principle of Vision Zero is that life and health can never be exchanged for other benefits within society. This strongly contrasts with more conventional planning which weighs costs and benefits and where a monetary value is placed on life and health, and then that value is used to decide how much money to spend on a road network.
Vision Zero is based on four principles: