Urban Traffic & Pedestrian System

About Urban Traffic & Pedestrian System – Unity Editor Tool & Plugin

Unity Traffic AI and Pedestrian System

Urban Traffic & Pedestrian System combines vehicle traffic and pedestrian behavior for populated city environments. The system provides waypoint-based navigation, traffic and pedestrian interactions, configurable waypoint behavior, custom events, and editor tools for integrating the simulation into a Unity project.

Traffic and Pedestrian Behavior

Vehicles and pedestrians can use waypoint networks with branching paths and shortest-path calculation between waypoints. Specific routes can also be assigned programmatically, while destination routing can send an agent to a selected destination through the API.

Traffic behavior includes overtaking and lane selection, traffic-light intersections, priority intersections, roundabouts, give-way junctions, speed routes, and restrictions by vehicle or pedestrian type. Emergency vehicle priority allows surrounding traffic and pedestrians to respond to designated emergency vehicles.

Navigation and Customization

The waypoint system supports priority waypoints for controlling where traffic and pedestrians are concentrated, along with custom waypoint events that can trigger scripted actions when an agent reaches a marked point. Vehicle and pedestrian behavior can also be overridden through the API, with event subscriptions and delegates available for additional customization.

Custom editor tools assist with integration, while the included source code is provided with comments. The system uses a pooling approach to manage vehicles and pedestrians around the player, and its navigation and processing systems use the Unity Burst Compiler and a parallel job system.

Included Content

• 1 mobile production-ready car with 3 LODs and changeable colors
• 1 production-ready pedestrian
• Basic animations: Die, Idle, Revive, Run, Walk
• 9 road tiles for assembling road layouts
• 20 simple city buildings
• 1 demo scene combining the included content

Compatibility

The system is compatible with the Built-in Render Pipeline, Universal Render Pipeline (URP), and High Definition Render Pipeline (HDRP) for Unity 2022.3.62f3.

Use Cases

• City and open-world projects that need waypoint-driven vehicle traffic and pedestrian movement.
• Driving games where traffic behavior includes lane selection, overtaking, intersections, roundabouts, and emergency vehicle handling.
• Urban simulations requiring pedestrians to navigate shared city spaces alongside vehicles.
• Projects that need programmable waypoint events and API-level control over vehicle or pedestrian behavior.

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