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Updated 8:00 AM EST, November 12, 2008
 Signalized Intersections with Adaptive Signal Control
2007 National Summary
| Number of Metropolitan Areas Surveyed / Returned Survey | Number of Metropolitan Areas with Technology | Signalized Intersections |
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| With Adaptive Signal Control | Total Operated | Percent |
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| 107 / 102 | 28 | 4883 | 137320 | 4% |
2007 Metropolitan Summary
| Metropolitan Area | State | Number of Agencies Surveyed / Returned Survey | Number of Agencies with Technology | Signalized Intersections |
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| With Adaptive Signal Control | Total Operated | Percent |
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| Albany, Schenectady, Troy | NY | 5 / 3 | 2 | 71 | 436 | 16% | | Atlanta | GA | 10 / 8 | 1 | 73 | 6099 | 1% | | Chicago, Gary, Lake County | IL | 25 / 25 | 4 | 1158 | 8632 | 13% | | Dayton, Springfield | OH | 8 / 7 | 1 | 4 | 639 | 1% | | Denver, Boulder | CO | 14 / 14 | 3 | 23 | 3085 | 1% | | Detroit, Ann Arbor | MI | 12 / 10 | 3 | 701 | 5109 | 14% | | Grand Rapids | MI | 3 / 3 | 1 | 2 | 760 | 0% | | Greensboro, Winston-Salem, High Point | NC | 7 / 7 | 1 | 28 | 959 | 3% | | Hampton Roads | VA | 7 / 7 | 2 | 29 | 1432 | 2% | | Houston, Galveston, Brazoria | TX | 8 / 6 | 1 | 36 | 3877 | 1% | | Jackson | MS | 3 / 2 | 1 | 1 | 321 | 0% | | Little Rock, North Little Rock | AR | 2 / 2 | 1 | 4 | 377 | 1% | | Los Angeles, Anaheim, Riverside | CA | 17 / 14 | 2 | 174 | 6137 | 3% | | Milwaukee, Racine | WI | 10 / 9 | 1 | 3 | 1508 | 0% | | Minneapolis, St. Paul | MN | 11 / 10 | 1 | 6 | 3002 | 0% | | Modesto | CA | 3 / 3 | 1 | 2 | 336 | 1% | | New York, Northern New Jersey, Southwestern Connecticut | NY | 42 / 34 | 4 | 985 | 18349 | 5% | | Orlando | FL | 4 / 4 | 1 | 44 | 1527 | 3% | | Philadelphia, Wilmington, Trenton | PA | 15 / 12 | 1 | 178 | 4443 | 4% | | Providence, Pawtucket, Fall River | RI | 7 / 6 | 1 | 1 | 361 | 0% | | Raleigh-Durham | NC | 5 / 3 | 1 | 7 | 906 | 1% | | Richmond, Petersburg | VA | 4 / 4 | 1 | 370 | 1088 | 34% | | San Diego | CA | 7 / 7 | 1 | 11 | 2885 | 0% | | San Francisco, Oakland, San Jose | CA | 7 / 6 | 2 | 13 | 2885 | 0% | | Tampa, St. Petersburg, Clearwater | FL | 6 / 6 | 3 | 76 | 2040 | 4% | | Tucson | AZ | 3 / 2 | 1 | 13 | 570 | 2% | | Tulsa | OK | 3 / 2 | 1 | 1 | 80 | 1% | | Washington | DC | 7 / 6 | 2 | 869 | 2457 | 35% | | 28 Metropolitan Areas |
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