Why are new traffic lights not activated as soon as they are installed?

New traffic light are not activated immediately after installation for several reasons:

1. Testing and Calibration: New traffic lights require thorough testing to ensure that the wiring, controllers, and sensors are functioning correctly. Calibration is necessary to synchronize the timing with nearby lights, account for traffic flow, and adapt to local traffic patterns.
2. Safety Assessments: Authorities often conduct safety assessments before activating new traffic lights. They might analyze the impact of the new signal on traffic, pedestrian crossings, and potential accident risks.
3. Coordination with Other Projects: Traffic light are sometimes part of larger infrastructure projects, such as road widening or intersection redesign. They may not be activated until the entire project is near completion to avoid disruption or confusion.
4. Public Awareness: Authorities may wait to raise public awareness through signage, announcements, or test runs to ensure that drivers are aware of the new signal and can adjust accordingly.
5. Regulatory Approvals: New installations may need final inspections and approvals from various regulatory bodies before they can be activated, ensuring that they meet all legal and safety standards.