Traffic Maintenance Web Based Description This online engineering PDH course provides key background information on three aspects of signalized intersections: user needs, geometric design, and traffic design and illumination. At A Glance Organization: PDH Source Topic: Traffic Maintenance Credentials Earned: 5.0 PDHs Fees: $125.00 Delivery Method: Web Based Mode: Traffic Time period: 5 hours Level: Basic Year Created: 2019 Last Updated: 02/07/2025 16:34 Register Now Back to database Find Other Courses Traffic Maintenance