Train Traffic Light 11 3D model is available on CGTrader for $29. Original author: dragosburian. Specs: 10000 polys, 23000 verts.
BLEND (Blender, filesize: 68.9 MB), OBJ (OBJ, filesize: 46.4 MB), FBX (Autodesk FBX, filesize: 46.8 MB), TEXTURES (Textures, filesize: 46.4 MB), PNG (PNG, filesize: 46.4 MB), STL (Stereolithography, filesize: 196 KB), DAE (Collada, filesize: 46.4 MB)