Southwest Signal Service is a reputable traffic signal and street lighting company based in El Cajon, CA, serving the San Diego area since 1980. With expertise in new installations, remodels, and upgrades, they offer a full range of services including loop detectors and custom-designed projects.
As a trusted provider, Southwest Signal Service specializes in traffic signals, street lighting, and parking lot lighting, ensuring safe and efficient illumination for public spaces. Their team of professionals is dedicated to delivering high-quality workmanship and innovative solutions to meet the needs of their clients.
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