List of highways numbered 666

The following highways are numbered 666:

Belgium[]

• The pilgrimage centre of Banneux in Belgium is located on the N666 road.

Canada[]

• Alberta Highway 666
• Ontario Highway 666 (former)

Ireland[]

• R666

Italy[]

• Strada regionale 666 di Sora (formerly strada statale 666 di Sora)

Philippines[]

Sweden[]

• Länsväg 666, in Uppland, eastbound from Alunda.

United Kingdom[]

• A666 road

United States[]

• US 666 (former, renumbered in 2003 to US 491)
• SR 666
• SR 666
• PA 666
• 
• FM 666

This article includes a list of roads, streets, highways, or other routes that are associated with the same title.
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