Check out Railway Semaphore 3D model on CGTrader for $39. High-quality mesh by dragosburian: 10000 polys, 23000 vertices. PBR, Textured, UV Mapped.
BLEND (Blender, filesize: 108 MB), OBJ (OBJ, filesize: 85.1 MB), FBX (Autodesk FBX, filesize: 85.7 MB), DAE (Collada, filesize: 85.2 MB), STL (Stereolithography, filesize: 259 KB), TEXTURES (Textures, filesize: 85.3 MB), PNG (PNG, filesize: 85.3 MB)