However, after the foundation of JR West and the Nara Line's incorporation into the Urban Network, the improvement of transportation services was quickly achieved with, for example, trains comprised of four cars (some comprised of six cars), double-tracked in part, or with increased numbers of trains, including rapid services such as the 'Miyakoji Rapid Service.'
しかし、JR西日本が発足して以降にアーバンネットワークの中に当線を組み込んでからは、列車の4両編成化（一部は6両編成）、部分複線化、「みやこ路快速」などの快速列車を始めとする列車の増発など、急速に輸送改善が図られた。