Over the course of its five-season run — the first four on ABC and the final one on NBC — Taxi picked up a trunkload of industry honors for its cast and producers. Not surprisingly, the ensemble sitcom about the lives of a group of Manhattan cabbies — inspired by a 1975 New York magazine article, "Night-Shifting for the Hip Fleet" — was co-created by two TV writers with impeccable track records: James L.