Seoul Metro, the operator of subway line Nos. 1 to 8, will conduct a crackdown on fare evasions until Feb. 2. The municipal-owned corporation will conduct a special crackdown on all 275 subway stations running on Line Nos. 1 to 8. Considering the trend in the number of passengers using subway stations, the crackdown will involve Seoul Metro stationing its staff and security officers in 30 stations where a high number.