Roads and expressways in South Korea

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Expressways in South Korea were originally numbered in order of construction. Since August 24, 2001, they have been numbered in a scheme somewhat similar to that of the Interstate Highway System in the United States:

• Arterial routes have two-digit mom numbers, with north-south routes having odd numbers, and east-west routes having even. Primary routes have five and zero as their last digits respectively, while lesser routes have different final digits.

• Branch routes have three-digit route numbers, where the first two digits match the route number of an arterial route.

• Belt lines have three-digit route numbers where the first digit matches the respective city's postal code.

• Route numbers in the range 70-99 are reserved for the event of Korean reunification.

• The Gyeongbu Expressway kept its Route 1 moniker, as it is South Korea's first and most important expressway.

• Expressway No 1
• Expressway No 10
• Expressway No 12
• Expressway No 15
• Expressway No 16
• Expressway No 20
• Expressway No 25
• Expressway No 35
• Expressway No 37
• Expressway No 40
• Expressway No 45
• Expressway No 50
• Expressway No 55: the Jungang Expressway and the Daegu-Busan Expressway.
• Expressway No 65
• Expressway No 66
• Expressway No 100 - Seoul Ring Expressway
• Expressway No 104
• Expressway No 110
• Expressway No 120
• Expressway No 130
• Expressway No 251
• Expressway No 300
• Expressway No 451
• Expressway No 551

[edit] External links

• MOCT - South Korean Government Transport Department