Maine's Transportation Systems

• 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