Security cameras on Saikyo Line trains

East Japan Railway Co. started today December 28, 2009, to install high-definition security cameras in the No. 1 cars of Saikyo Line trains as part of its efforts to fight sexual molestation, becoming the nation's first railway operator to take such a step for commuter trains. According to the Metropolitan Police Department, the number of sexual harassment cases on trains total around 1,500 a year. The Saikyo Line, which connects Tokyo and Saitama, had the most, at 146.