How to Level Traffic Signal Heads: Alignment Guide & Best Practices #1840692 (License: Personal Use)

This diagram illustrates the two critical leveling axes for traffic signal heads: horizontal alignment from left to right across the signal face, and vertical alignment from front to back along the mounting arm. Correct leveling prevents tilt-induced glare, misinterpretation, or reduced conspicuity-key factors in traffic control effectiveness and ADA compliance.

Used in traffic engineering manuals, municipal installation guides, and DOT training materials; supports user intent for technicians installing or maintaining traffic signals who need visual alignment reference.