Explore details about location 서울외곽순환고속도로 (Seoul Outer Circular Expressway). 서울외곽순환고속도로 (Seoul Outer Circular Expressway) is a location situated within the 수정구 alongside other areas such as 헌릉로 (Heolleungno), 분당-내곡 도시고속화도로 (Bundang-Naegok Metro Expressway), 동부간선도로 (Dongbuganseondoro).