In my experience about 30% of crashes in Chicago are doorings. Doorings are discouraging because they are completely avoidable. It never ceases to amaze me how people will just fling open the doors of their cars without any consideration for approaching traffic. Doorings violate both Illinois and Chicago law. Typically driver side dooring cases are hard to defend unless the dooring happened at night and the cyclist didn't have a headlight. In such an instance the motorist will say that they checked their mirror before opening the door and they didn't see the cyclist because of the lack of proper lighting equipment. The lack of headlight is a very effective defense in dooring cases.
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