Looking for 70 speed limit? Get this 3D model from cagdasc via CGTrader for $2. Technical specs: 35138 polygons, 105414 vertices.
SKP (Sketchup, filesize: 1.49 MB), BLEND (Blender, filesize: 3.61 MB), OBJ (OBJ, filesize: 2.31 MB), FBX (Autodesk FBX, filesize: 734 KB), GLTF (glTF, filesize: 1.28 MB), ABC (Alembic, filesize: 2.14 MB), DAE (Collada, filesize: 2.55 MB), STL (Stereolithography, filesize: 1.68 MB)