An employee sits at the front of an autonomous bus tested by Transports Metropolitans de Barcelona (TMB) while driving in Barcelona, on November 5, 2025. Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)

An employee lifts his hands to show he is not steering the wheel of an autonomous bus tested by Transports Metropolitans de Barcelona (TMB) while driving in Barcelona, on November 5, 2025. Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)

An employee lifts his hands to show he is not steering the wheel of an autonomous bus tested by Transports Metropolitans de Barcelona (TMB) while driving in Barcelona, on November 5, 2025. Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)

An employee lifts his hands to show he is not steering the wheel of an autonomous bus tested by Transports Metropolitans de Barcelona (TMB) while driving in Barcelona, on November 5, 2025. Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)

An employee lifts his hands to show he is not steering the wheel of an autonomous bus tested by Transports Metropolitans de Barcelona (TMB) while driving in Barcelona, on November 5, 2025. Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)

An employee lifts his hands to show he is not steering the wheel of an autonomous bus tested by Transports Metropolitans de Barcelona (TMB) while driving in Barcelona, on November 5, 2025. Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)

An autonomous bus tested by Transports Metropolitans de Barcelona (TMB) drives on November 5, 2025 in Barcelona. Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)

A picture taken on November 5, 2025 shows the cameras at the front of an autonomous bus tested by Transports Metropolitans de Barcelona (TMB). Built by the Turkish firm Karsan, the driverless vehicle operates with the help of cameras and captors, and a TBM worker supervising the test sitting at the front. (Photo by Josep LAGO / AFP) (Photo by JOSEP LAGO/AFP via Getty Images)