noun which may take the genitive case particle 'no', noun
under an elevated structure; under a railway bridge
Refers to the space or area directly beneath an elevated railway, highway, or similar structure. Often used in real estate and urban contexts.
Small shops line the space under the elevated railway.
Since this property is under an elevated structure, noise might be a concern.
Compound of 高架 (elevated structure) + 下 (under). The reading こうかした follows standard on'yomi.