SA Service area (SA) · サービスエリア
Osa SA — Outbound 大佐SA（下り）
Expressway E2A Chugoku Expressway Outbound下り towards Kitakyushu · 北九州方面 km210
- Toilets
- Fuel
- EV charging
Osa SA, Outbound (下り) is a service area on the Chugoku Expressway (E2A) in Okayama, Japan, for traffic heading outbound (下り). Facilities: fuel and EV charging.
At a glance
- Direction
- Outbound 下り · towards Kitakyushu · 北九州方面
- Toilets
- Yes, 24 hours
- Food
- Not recorded
- Fuel
- Yes
- EV charging
- 1 quick charger, up to 50 kW
Other direction
This one serves one side of the expressway only. For the other direction: Osa SA Inbound上り
EV charging
- 1 quick charger (CHAdeMO)
- up to 50 kW
- Available 24 hours
Chargers on e-Mobility Power’s network. Other networks’ chargers may not be listed. Source: e-Mobility Power website.
Facilities
- Fuel
- EV charging
Next stops on the Chugoku Expressway
Outbound 下り · towards Kitakyushu · 北九州方面
- Next SA or PA
- Shingo PA 19 km
- Next service area (SA)
- Nanatsukahara SA 74 km
- Next fuel
- Nanatsukahara SA 74 km
- Next EV charger
- Nanatsukahara SA 74 km
Distances along the expressway, in your direction of travel. Chugoku Expressway →
Rules
Open 24 hours. A nap in your car is fine; camping, tents, barbecues and long stays are not. Switch the engine off while you rest, and leave large-vehicle spaces to trucks.
Nearby
- Shingo PA, Outbound (下り) PA · 14 km
- Shingo PA, Inbound (上り) PA · 14 km
- Michi-no-Eki Gaisen-Zakura Shinjo-Shuku Michi-no-Eki · 16 km
- Maniwa PA, Inbound (上り) PA · 17 km
- Maniwa PA, Outbound (下り) PA · 18 km
- Michi-no-Eki Daigo-no-Sato Michi-no-Eki · 18 km
Sources
- Location and facilities: © OpenStreetMap contributors (ODbL)
- 出典：株式会社e-Mobility Power ウェブサイト
- Wikidata contributors CC0 1.0
- Data updated September 29, 2026.
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