city racing map 3d model

Create a large, realistic and optimized 3D open-world racing map for an online multiplayer game. Build one seamless world combining a modern coastal city, highways, mountains, forests, countryside and industrial areas. Include wide highways, mountain roads, sharp turns, tunnels, bridges, ramps, jumps, drift zones, shortcuts and off-road paths. Add detailed buildings, shops, warehouses, containers, cranes, traffic lights, streetlights, signs, barriers, trees, grass, rocks, cliffs, beaches, ocean and varied terrain. Create starting grids, checkpoints, finish lines, garages and safe respawn points. Support circuit, sprint, point-to-point, drift and time-trial races. Use realistic PBR materials, textures, cinematic lighting, shadows and reflections. Add landmarks and elevation changes. Design readable racing lines for multiplayer. Optimize with LODs, instancing, occlusion culling, modular assets, optimized textures and low-poly collisions. Ensure high visual quality and smooth FPS colorize