$29 Train Traffic Light 10 3D model by dragosburian. Available on CGTrader with 10000 polys and 23000 vertices. Check it out on CGHub.
BLEND (Blender, filesize: 68.9 MB), OBJ (OBJ, filesize: 46.4 MB), FBX (Autodesk FBX, filesize: 46.9 MB), DAE (Collada, filesize: 46.5 MB), TEXTURES (Textures, filesize: 46.5 MB), PNG (PNG, filesize: 46.5 MB), STL (Stereolithography, filesize: 222 KB)