The promenade is in a green tunnel state, is this the reason why it is called “Totoro’s Road”?

I walked from Chihayaguchi to Mika no Dai (second half)
After walking for a while through the farming village, you will reach a promenade using the abandoned railroad track.
A stream runs alongside the boardwalk. The water is usually clean, but it was muddy due to the heavy rain the other day.
The promenade is in a green tunnel state, is this the reason why it is called “Totoro’s Road”?
There was a thick bamboo grove near the bridge in Mikanodai.
The last is the scenery taken from the bridge of Mikanodai.
The walking distance from Chihayaguchi station to Mikanodai station was about 2km.