urban highway 3d model

Create a large, modern city racing map designed for a fast-paced arcade racing game. The city should feature a dense urban downtown with tall skyscrapers, glass office towers, and apartment buildings, combined with wider suburban roads toward the outskirts. Roads must be smooth, wide, and well-marked, suitable for high-speed racing, drifting, and overtaking. Include: A main highway loop circling the city with multiple on-ramps and off-ramps Intersections, roundabouts, flyovers, and tunnels for route variety Long straight roads for top-speed racing and tight corners for skill-based turns Bridges crossing rivers or canals inside the city Backstreets and shortcuts (alleys, parking garages, service roads) for competitive play Add realistic city details: Traffic lights, street lights, road signs, billboards Sidewalks, crosswalks, trees, benches, bus stops Parks, plazas, and small green areas Parking lots, underground parking, and rooftop access areas The environment should feel alive but op