01 / Brick tunnels
Brick niches for the gas-lamp gearfirst planned are inside the tunnels.
Of the six tunnels built under the Kumano Kaido (today's Route 42) improvement project, the three northern ones are of brick. Furusato and Doze have sawtooth-trimmed brick niches for the gas-lighting equipment first planned. All three became Registered Tangible Cultural Properties in 2001.
- Three brick tunnels
- Furusato 208 m, Doze 308 m
- Registered Tangible Cultural Properties, 2001


