• Good! If you wanted to be really snide, you could have taken his Public Service Vehicle /Public Carriage Office number and/or the Hackney Carriage number and reported him to the PCO. Always good for a laugh.

    The driver has his own license to drive a PSV/PCO vehicle (basically certifies that he is who he says he is, and that he hasn't committed certain crimes against the person), the vehicle itself is also licensed as fit to carry the public. These apply whether it's a black cab or a licensed cab (the ones with the green disc inside the rear window).

    The company I work for operates PCO licensed cabs - everyone at the company connected with the passenger car division, including the drivers, fears a PCO inspection.

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