Doog Souther COALA fleet reaches 40,000 km annual operation at JR Tokai yard
Doog and Shinkansen Maintenance Tokai said 16 Souther COALA robots reached about 40,000 km of annual automated transport at JR Tokai's Oi Shinkansen yard.

Evidence notes
- The deployment includes 16 robots and 300 dedicated docking carts at the Oi yard.
- The systems support 24-hour automated transport for Shinkansen maintenance workflows.
- Doog said the deployment is expanding to Mishima and Nagoya depots.