Translation guide
A traffic cone is a cone-shaped marker used to redirect traffic or mark hazards. In Japanese, it is commonly referred to by a few specific terms, with the most common being a loanword from English.
The learner wants to refer to the physical object used for traffic control or warning.
The most common term in everyday Japanese. Derived from 'color cone'. Used in both spoken and written contexts.
工事現場にカラーコーンが置いてある。
There are traffic cones placed at the construction site.
Also common, especially in traffic management and sports. From 'pylon'. Slightly more technical than カラーコーン.
Literally 'triangle cone'. Less common, but understood. Sometimes used for smaller or differently shaped cones.
駐車場の入り口に三角コーンが立っている。
There is a traffic cone standing at the entrance of the parking lot.
They set up pylons on the road to regulate lanes.