RL11. Roadway Lighting

Definition:

Type of roadway illumination.

Source: Obtained by linking Crash Location (C5) to the Roadway Inventory data.

Element Attributes:

• No Lighting
• Spot Illumination on One Side
• Spot Illumination on Both Sides
• Continuous Lighting on One Side
• Continuous Lighting on Both Sides

Rationale:

Recognized as having a benefit to safe highway operations. Information about the presence of lighting is an important element in analysis of a spot location, a section of highway, or a network analysis. Important for determining the affects of highway illumination on nighttime crashes to guide future installations.