Gyeongbu Expressway
The Gyeongbu Expressway (; "Gyeongbu Gosokdoro") (Asian Highway Network ) is the second oldest and most heavily travelled expressway in South Korea, connecting Seoul to Suwon, Daejeon, Gumi, Daegu, and Busan. It has the route number 1, signifying its role as South Korea's most important expressway. The entire length from Seoul to Busan is and the posted speed limit is , enforced primarily by speed cameras.