They began operating in the 1960s in competition with hackney carriages after a loophole in the law was spotted (although in some areas it is possible to hold a dual hackney/private hire licence).
[citation needed] Private hire vehicles are licensed under the Local Government (Miscellaneous Provisions) Act 1976.
This is the same body that now regulates London's licensed taxicabs, but minicab drivers do not have to complete The Knowledge, and although they must undergo a small "topographical test" in order to obtain a Private Hire Drivers Licence, they generally rely on satnavs or local knowledge to take them to the pick up and destination.
[3] In the United States, livery cabs today play their most prominent role in the transportation of New York City.
[4] [5] Although it is illegal, livery cabs will sometimes cruise the street and pick up riders who flag them for a prenegotiated fare, especially in the outer boroughs.