Ao

Weekday departures: 37/day in the available timetable data · Sat & holiday departures: 37/day in the available timetable data

Earliest / latest departure in the available data (weekday): 6:05 / 23:13

Busiest hour in the available data: 7:00–8:00 (4)

0:00 ─ 23:00

Figures are typical departures in the timetable data, not a live service count.

Timetable data as of 2 May 2026.

The timetable data is incomplete for some or all lines at this station, so the weekday and Sat & holiday figures are departures in the available timetable data, not totals.

Lines where the timetable data is complete: Kakogawa Line

Lines where the timetable data is incomplete:

• Kobe Electric Railway Ao Line: no timetable data
• Hojo Line: no timetable data

• Kakogawa Line: Kawainishi ⇄ Onomachi (Hyogo)

Ao Station opened on 10 August 1913 with the Banshū Railway's section from Kunikane (now Yakujin) to Nishiwaki, and a branch to Hōjōchō followed in 1915. The line passed to the Bantan Railway in 1923 and was nationalised in 1943. Kobe Electric Railway's Ao Line was completed through to the station on 10 April 1952. The Hōjō Line was spun off to the third-sector Hōjō Railway on 1 April 1985, making Ao a station shared by three operators, and with JNR privatisation on 1 April 1987 the JR portion came under JR West. A new station building opened in October 2009, and the station became unattended on 1 April 2022.

Ao is written with only two letters in Hepburn romanisation; together with Ei, Ii, and Oe, it shares the distinction of having the shortest romanised station name in Japan.