Fair payment: To keep BART fare evaders from jumping the fare gates, the transit agency last week began replacing existing fare gates with new ones on the concourse level of Civic Center station. The new gates are closest to the Seventh Street entrance on the north end of the concourse level. The project is expected to take several weeks to complete, but the agency says they are evasion-proof. The station’s two other sets of fare gates will remain open during the installation work. Once the new gates are installed...