High-speed路口double-column sign post, also known as road sign post, highway sign post, a standing column used along the highway to indicate traffic routes.

Traffic sign posts are manufactured from steel pipes, with a surface treated by hot-dip galvanizing. Product categories include single-armed sign posts, double-armed sign posts, double-column sign posts, and single-column sign posts.

Galvanized sign posts and various uprights

Broadly used on highways, urban roads, and various types of roads
The main materials include Q235, Q345, 16Mn, alloy steel, etc., with lengths ranging from 1.5M to 12M.