"The CATT laboratory collects information from many sources, including roadside devices, GPS equipment and wireless phones.

　　About 60 students and 30 software developers observe traffic flow and manage the computer servers at all times. They also work to develop software and applications that can help traffic run more smoothly and safely. Some of them turn the information gathered into so-called "visualization". These visual representations help emergency workers better understand what is happening.

　　The center shares its findings with firefighters, police, transportation departments and the military. They also share information with universities and transportation companies. The technology company Google uses the data for its traffic related websites. Michael Pack says the information is then shared with anyone who wants to help traffic run more smoothly.

　　‘Not only do our tools tell you what's going on at the scene, like there's an accident and it's involving a tractor-trailer truck, they also tell you who was informed to get to the scene, how long it took them to get to the scene, when they arrived, how long they were there, what did they do on the scene.’

　　Mr. Pack says the goal is to help develop an intelligent system of road signals that will communicate with each other and with vehicles on the road.

　　58.The new system will do all the following EXCEPT _____ .

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