noun
construction vehicle
Refers to heavy machinery used at construction sites, such as bulldozers, backhoes, and loaders.
工事車両が道路をふさいでいる。
Construction vehicles are blocking the road.
この現場では、何台もの工事車両が動いている。
Several construction vehicles are operating at this site.
重機 is a broader term for heavy machinery, not limited to vehicles. 工事車両 specifically refers to vehicles used in construction.
Compound of 工事 (construction) and 車両 (vehicle).