international-free internal border

An international-free internal border is a boundary between two or more countries within which people, goods, and services can move without routine border checks, controls, or significant legal restrictions.

Observed surface forms (2)

• single market ×3
• border-free travel area ×1

Instances (6)

• CARICOM Single Market and Economy via concept surface "single market"
• California–Nevada border
• European Union via concept surface "single market"
• European Union internal market via concept surface "single market"
• Nevada–Utah state line
• Schengen Area via concept surface "border-free travel area"