Illinois State Police officer checks on a dog as a motorist stops to help remove it from the north bound lanes of Interstate 55 in Joliet, Illinois, Wednesday, January 30, 2013. Traffic was temporarily brought to a stand still as they carried the dog from the inside lane wall to the shoulder. It is not clear if the dog was hit by a car. The dog was standing but it did not appear to want to walk. | Joseph P. Meier~Sun-Times Media
Illinois State Police and a motorist help remove a dog from the north bound lanes of Interstate 55 in Joliet, Illinois, Wednesday, January 30, 2013. Traffic was temporarily brought to a stand still as they carried the dog from the inside lane wall to the shoulder. It is not clear if the dog was hit by a car. The dog was standing but it did not appear to want to walk. | Joseph P. Meier~Sun-Times Media
Illinois State Police and a motorist help remove a dog from the north bound lanes of Interstate 55 in Joliet, Illinois, Wednesday, January 30, 2013. Traffic was temporarily brought to a stand still as they carried the dog from the inside lane wall to the shoulder. It is not clear if the dog was hit by a car. The dog was standing but it did not appear to want to walk. | Joseph P. Meier~Sun-Times Media
Illinois State Police officer checks on a dog as a motorist stops to help remove it from the north bound lanes of Interstate 55 in Joliet, Illinois, Wednesday, January 30, 2013. Traffic was temporarily brought to a stand still as they carried the dog from the inside lane wall to the shoulder. It is not clear if the dog was hit by a car. The dog was standing but it did not appear to want to walk. | Joseph P. Meier~Sun-Times Media
Illinois State Police officer checks on a dog as a motorist stops to help remove it from the north bound lanes of Interstate 55 in Joliet, Illinois, Wednesday, January 30, 2013. Traffic was temporarily brought to a stand still as they carried the dog from the inside lane wall to the shoulder. It is not clear if the dog was hit by a car. The dog was standing but it did not appear to want to walk. | Joseph P. Meier~Sun-Times Media
PLAINFIELD TOWNSHIP — An injured dog caused a brief traffic jam Wednesday afternoon on Interstate 55. State Police Master Sgt. Martez Malone said a passing trooper saw the animal about 12:15 p.m. in the northbound lanes near milepost 255 south of Route 30. The dog …