Consulting Engineering

Northwest Signal Supply is a service-oriented firm providing professional traffic engineering services to public agencies and other consultants. Our small staff of engineers is available to work on projects that directly involve traffic signal control.

Traffic Signal Services

• Traffic Signal Design
• Timing and Phasing Analysis
• Arterial Coordination
• Interconnect System
• Pole Structural Design
• Functional Design of Intersections
• Signing and Striping Plans
• Roadway Lighting
• In-Roadway Lighted Crosswalks