R-155 · Route File
Shikoku motorcycle circuit
Shikoku · Japan
An island circuit linking Tokushima, Cape Muroto, Kochi, the Iya Valley, Shimanto country and the Seto Inland Sea roads.
- Primary window
- Spring and autumn are normally mildest
- References
- 8
- Coverage
- partial
- Reviewed
- Aug 2026
Route tire evidence
Tires reported on Shikoku motorcycle circuit
No reviewed tire observation is published for this route.
No tire name is inferred from route popularity, forum mentions or marketing. A report appears only after its tire, motorcycle, route context, date and named source are reviewed.
Route-specific references
Sources for Shikoku motorcycle circuit
Information tied directly to this road, track or route.
Roads and access
Maps and navigation
Land access and closures
Regional reference desk
Authorities covering the wider journey
Shared road, weather and access services used across Route Files in this region.
Weather
Roads and access
Emergency and medical
Specialist and community
Field Links are reviewed references, not live guarantees. Conditions, closures, services and regulations change. Confirm critical information with the responsible authority before relying on it.