Metra trains hitting bumping post at LaSalle Street Station

Now I understand why these things are there. Previously, I had no clue, but now I do.

Metra train hits bumping post at LaSalle station - chicagotribune.com

Update: Multiple Metra trains have been cancelled tonight because of the weather and mechanical problems. If you live around the area, make sure you check the Metra website, or go to www.rtachicago.com to see if your travel plans may need to be altered.