How long does Amber traffic light last?


How long does Amber traffic light last? According to federal regulations in the uniform traffic control manual, yellow lights must be no less than three seconds and no more than six seconds.


What is Amber time in traffic?

Yellow-Light Timing. Why Amber Time Matters... The purpose of the yellow interval is to warn approaching traffic of the imminent right-of-way change. Source: Federal Highway Administration (FHWA). If the amber light is too long, drivers will disregard it and consider it part of the green light cycle.