City of Ann Arbor Adaptive signal controls keeps traffic moving for residents, students, and thousands of visitors. usa.siemens.com/intelligenttraffic In the City of Ann Arbor, traffic is anything but predictable. Its population of 115,000 residents swells to 185,000 when school is in session. On an average weekday, 130,000 commuters come to Ann Arbor for work, while another 40,000 go to work elsewhere. Special events can happen any day, or

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