Maine's Transportation Systems

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• Federal Functional Classification of Highways

• Federal Highway System

• Federal Urban Areas

• Public Road Mileage

• Road Classification: What it means to a Municipality

• Route Number Designations

• State Highway System

• State Urban Compact Municipalities

• Safety Information
• Maine's Bridges and Minor Spans
• Maine's Busiest Intersections
• Maine's Signal Locations
• Maine's Beacon Locations