The east-west streets which run every four cho (approximately 436 m) were called Ichijo-oji, Nijo-oji and so on, while the north-south streets were called Ichibo-oji, Nibo-oji and so on.
4町ごとに走る東西路は一条大路、二条大路・・、南北路は一坊大路、二坊大路・・、と名付けられていた。