Concrete barrier Low-poly 3D model is available on CGTrader for $6.67. Original author: surfacemaestro. Specs: 82 polys, 92 verts.
BLEND (Blender, filesize: 948 KB), OBJ (OBJ, filesize: 1.04 MB), FBX (Autodesk FBX, filesize: 20.8 KB), GLTF (glTF, filesize: 50.1 KB), DAE (Collada, filesize: 21 KB), ABC (Alembic, filesize: 11.8 KB), STL (Stereolithography, filesize: 8.09 KB)