01 / Route 12's straight
An order in 1886 gave riseto a road meant to be straight.
The Ministry of Land, Infrastructure, Transport and Tourism records that in 1886 an order called for the road to be made straight where possible, and it was born as an intended straight road. After the 1990 improvement, it says, the national route has Japan's longest straight section (29.2 km), spanning three cities and one town.
- 1886: ordered to be built straight where possible
- 1990: improvement makes a 29.2 km straight section
- Spans Takikawa, Sunagawa, Naie and Bibai

