Road & Traffic System - Paint Cities, Bridges & AI Traffic

Don't place roads, paint them. Drag out connected road networks in the Scene view, click tiles up into bridges, then press one button and AI traffic drives your city: braking, signalling, parking, following routes you draw per car. 76 prefabs plus full C# source. Cars included. ROAD DRAWER (editor tool, included): Left-drag paints roads, ends, straights, turns, T-junctions and crossroads are chosen and rotated automatically as you draw. Mix road families on one grid: one-way, two-way, four-lane, taper transitions are inserted automatically where widths change. Two styles per tile: raised sidewalks with real curbs, or bare asphalt strips that sit on your own terrain, mix them freely. Elevation Mode: click a tile to raise it one level, straights between levels become ramps automatically, support pillars stack under the deck. Build overpasses, highway bridges and sunken underpasses. Roundabout stamp, crosswalk mode, per-tile speed painting with scene-view speed labels, traffic lights per junction or auto-placed network-wide, erase mode, full Undo. TRAFFIC SYSTEM (included, plain runtime C#): One button adds moving traffic instantly, right in the Scene view, no Play mode needed: right-lane driving, safe spacing, red-light stops, roundabout circulation, ramps and bridges. Jam-proof: blocked cars find a detour, and if the road is edited under a moving car it re-plans its route on the spot. Per-car routes with zero code: give any car an ordered list of stops, drive through, wait in the lane (bus stop) or park at the curb, each with its own duration, then loop, ping-pong, shuttle via home, keep wandering or despawn at the end (traffic sinks). Pick everything visually: place-on-tile, click-to-add stops with numbered scene markers, spawn/destination tiles on the manager. Scriptable: SetTarget/ParkAt/GoToStop/Continue, StopReached and Parked events, per-car speed override, add TrafficAgent to your own vehicle and it joins the traffic. 15 cars included (sedan, pickup, van x5 colours), the pack is fully self-contained. 61 ROAD MODELS: 3 families x 8 pieces (straight, turn, T, cross, end, crosswalk, half-ramp, full-ramp) in both styles. Roundabout (both styles), 3 taper transitions (both styles), pavement lot, bridge pillar, traffic light, street lamp, stop sign. Ultra-light: tiles 50-350 tris, value-based URP Lit materials, no textures, recolour everything in seconds. Unified 16 m grid, center pivots at ground level. Showcase scene included: a full mini city with a working bridge, speed zones, bus route, parking shuttle and live traffic, press Play. Everything is a plain prefab plus ScriptableObject kit: point the drawer at YOUR prefabs and it paints with them, zero code changes. Pairs with the Stylized Car Pack and the Complete Car Pack, same scale, same style. Built for URP.