There are two Yokooji; one is the road in an east-west direction starting from the southern area of Mt. Miwa in present-day Sakurai City to Mt. Nijo in Katsuragi City (Nara Prefecture and Osaka Prefecture) and the other is the road in an east-west direction starting from around Horyu-ji Temple in Ikaruga Town to Ichinomoto in Tenri City.
現在の桜井市の三輪山の南から葛城市の二上山(奈良県・大阪府)付近まで東西に設置された道と斑鳩町の法隆寺付近から天理市の櫟本まで東西に通っていた道がある。