To commemorate the a hundred and fiftieth anniversary of the start of present-day Tochigi Prefecture, trains with illustrations of strawberries, a specialty of the prefecture, started working on railroads that run inside the prefecture.
The practice, named after Tochigi’s specialty strawberry, was launched to commemorate the a hundred and fiftieth anniversary of the start of present-day Tochigi Prefecture on the fifteenth of this month. In addition to the illustrations of strawberries, the seats and straps are additionally adorned with strawberry designs.
Source

