교측보판(橋側步板) foot board on bridge
교통(交通) traffic
교통계획(交通計劃) transportation planning
교통공학(交通工學) traffic engineering
교통공해(交通公害) environmental pollution caused by road traffic
교통관리시설(交通管理施設) traffic control device
교통권(交通圈) traffic zone
교통량(交通量) traffic flow
교통소음(交通騷音) transportation noise
교통안전시설(交通安全施設) traffic safety facilities