countrygraaf - The train traffic between the Limburgs Landgraaf and Haanrade (Kerkrade) runs more slowly than usual on Sunday evening. People walk on or off the track and that's dangerous. And in Veenendaal, cows run along the rails so that's not how the trains run so fast. The railroad driver of ProRail will tell you on Twitter.
In the night of Friday on Saturday two boys died at Elst (Gelderland) station. Both seventeen-year-olds were arrested by a train. They would have been on track.
Trackers are often walkers, dog leavers, play children or vandals. Also, there are people who want to take a shorter way. Earlier this month, action makers of the Amsterdam Machinists Collectively were on track at Amsterdam CS, protesting against the 'bad working conditions' of the NS.
According to figures where ProRail came along this year, the number of trackers increased last year compared with 2015. There were more than 3100 reports in 2016, and there were two hundred more than the year before. They caused 16,359 trains delay, leaving 1.6 million travelers arriving late at their destination.