Most of the 52 deaths that the CTA has tracked since 2008 occurred on the Red and Blue Lines.

Rate this fact:

In 2012 alone, 349 incidents were reports involving people illegally going on the tracks. In the first half of 2013 (through the end of July), 205 incidents.

And, according to the Chicago Tribune:

Most of the people killed on the rail right of way during roughly the past 51/2 years died from being hit by trains or from falls, while about 20 percent were electrocuted when they came in contact with the 600-volt third rail, a breakdown of incidents revealed.