The majority of roadside signs such as "Ichirizuka" (milestone marker for a "Ri"- about 3.927km), "Choishi" (milestone marker for a "Cho" - about 109m) and "Michishirube" (guideposts) remain today in many areas and are assumed to have been installed during the Edo period.
各地に残る「一里塚」「丁石」「道標」の大半が江戸時代に設置されたものとされる。