The driver of a bus or taxicab shall not stand or park such bus or taxicab upon any street in any business district at any place other than at a bus stop or taxicab stand, respectively, except that this section shall not prevent the driver of any taxicab vehicle from temporarily stopping in accordance with other stopping or parking regulations at any place for the purpose of and while actually engaged in loading or unloading passengers. (Code 1981 § 43-497. Code 1995 § 142-503.)