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Updated 8:00 AM EST, April 15, 2008
 Signalized Intersections with Adaptive Signal Control
2006 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 / 106 | 30 | 4931 | 151198 | 3% |
2006 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 / 2 | 1 | 34 | 310 | 11% | | Albuquerque | NM | 3 / 3 | 0 | 0 | 690 | 0% | | Allentown, Bethlehem, Easton | PA | 2 / 2 | 0 | 0 | 301 | 0% | | Asheville | NC | 2 / 2 | 0 | 0 | 588 | 0% | | Atlanta | GA | 10 / 9 | 1 | 73 | 6034 | 1% | | Austin | TX | 1 / 1 | 0 | N/R* | 825 | N/R* | | Bakersfield | CA | 2 / 2 | 0 | 0 | 419 | 0% | | Baltimore | MD | 5 / 5 | 0 | 0 | 4434 | 0% | | Baton Rouge | LA | 3 / 3 | 0 | 0 | 753 | 0% | | Beaumont-Port Arthur | TX | 3 / 3 | 0 | 0 | 411 | 0% | | Bellingham | WA | 2 / 2 | 0 | 0 | 125 | 0% | | Birmingham | AL | 3 / 3 | 0 | 0 | 907 | 0% | | Boise City | ID | 1 / 1 | 0 | 0 | 370 | 0% | | Boston, Lawrence, Salem | MA | 13 / 10 | 1 | 110 | 2428 | 5% | | Buffalo, Niagara Falls | NY | 6 / 4 | 0 | 0 | 236 | 0% | | Charleston | SC | 3 / 2 | 0 | 0 | 578 | 0% | | Charlotte, Gastonia, Rock Hill | NC | 3 / 3 | 0 | 0 | 785 | 0% | | Chattanooga | TN | 2 / 2 | 0 | 0 | 306 | 0% | | Chicago, Gary, Lake County | IL | 25 / 24 | 2 | 15 | 8420 | 0% | | Cincinnati, Hamilton | OH | 8 / 7 | 0 | 0 | 1098 | 0% | | Cleveland, Akron, Lorain | OH | 18 / 17 | 0 | 0 | 1199 | 0% | | Columbia | SC | 2 / 1 | 0 | 0 | 125 | 0% | | Columbus | OH | 3 / 2 | 0 | 0 | 161 | 0% | | Dallas, Fort Worth | TX | 13 / 12 | 0 | 0 | 4044 | 0% | | Dayton, Springfield | OH | 8 / 7 | 1 | 4 | 644 | 1% | | Daytona Beach | FL | 2 / 2 | 0 | 0 | 542 | 0% | | Denver, Boulder | CO | 14 / 14 | 3 | 23 | 3162 | 1% | | Des Moines | IA | 2 / 2 | 0 | 0 | 384 | 0% | | Detroit, Ann Arbor | MI | 12 / 12 | 3 | 695 | 5631 | 12% | | El Paso | TX | 2 / 2 | 0 | 0 | 618 | 0% | | Eugene | OR | 4 / 4 | 0 | 0 | 324 | 0% | | Fort Myers | FL | 3 / 3 | 0 | 0 | 562 | 0% | | Fort Wayne | IN | 2 / 2 | 0 | 0 | 786 | 0% | | Fresno | CA | 2 / 2 | 1 | 51 | 612 | 8% | | Grand Rapids | MI | 3 / 3 | 1 | 2 | 685 | 0% | | Greensboro, Winston-Salem, High Point | NC | 7 / 6 | 1 | 28 | 992 | 3% | | Greenville | NC | 2 / 2 | 0 | 0 | 512 | 0% | | Greenville, Spartanburg | SC | 3 / 1 | 0 | 0 | 202 | 0% | | Hampton Roads | VA | 7 / 7 | 2 | 29 | 1436 | 2% | | Harrisburg, Lebanon, Carlisle | PA | 1 / 0 | 0 | N/R* | N/R* | N/R* | | Hartford, New Britain, Middletown | CT | 6 / 6 | 0 | 0 | 1245 | 0% | | Honolulu | HI | 1 / 1 | 0 | 0 | 784 | 0% | | Houston, Galveston, Brazoria | TX | 8 / 6 | 1 | 36 | 3798 | 1% | | Huntsville | AL | 2 / 2 | 0 | 0 | 311 | 0% | | Indianapolis | IN | 4 / 4 | 0 | 0 | 1259 | 0% | | Jackson | MS | 3 / 1 | 1 | 1 | 321 | 0% | | Jacksonville | FL | 4 / 4 | 0 | 0 | 1927 | 0% | | Janesville-Beloit | WI | 3 / 2 | 0 | 0 | 51 | 0% | | Kansas City | MO | 5 / 4 | 0 | 0 | 1112 | 0% | | Knoxville | TN | 3 / 3 | 0 | 0 | 407 | 0% | | Lancaster | PA | 1 / 1 | 0 | 0 | 111 | 0% | | Las Vegas | NV | 1 / 1 | 0 | 0 | 976 | 0% | | Little Rock, North Little Rock | AR | 2 / 2 | 0 | 0 | 373 | 0% | | Los Angeles, Anaheim, Riverside | CA | 17 / 16 | 4 | 987 | 9119 | 11% | | Louisville | KY | 3 / 3 | 0 | 0 | 692 | 0% | | McAllen | TX | 2 / 2 | 0 | 0 | 590 | 0% | | Memphis | TN | 2 / 2 | 0 | 0 | 779 | 0% | | Miami, Fort Lauderdale | FL | 2 / 2 | 0 | 0 | 3992 | 0% | | Milwaukee, Racine | WI | 10 / 9 | 1 | 3 | 1507 | 0% | | Minneapolis, St. Paul | MN | 11 / 11 | 3 | 113 | 3050 | 4% | | Modesto | CA | 3 / 3 | 0 | 0 | 282 | 0% | | Montgomery | AL | 2 / 2 | 0 | 0 | 495 | 0% | | Nashville | TN | 2 / 2 | 0 | 0 | 771 | 0% | | New Haven, Meriden | CT | 5 / 5 | 0 | 0 | 759 | 0% | | New London | CT | 3 / 3 | 0 | 0 | 76 | 0% | | New Orleans | LA | 5 / 3 | 0 | 0 | 554 | 0% | | New York, Northern New Jersey, Southwestern Connecticut | NY | 43 / 37 | 5 | 982 | 18713 | 5% | | Oklahoma City | OK | 3 / 3 | 0 | 0 | 867 | 0% | | Omaha | NE | 4 / 4 | 0 | 0 | 1773 | 0% | | Orlando | FL | 4 / 4 | 1 | 44 | 1477 | 3% | | Pensacola | FL | 3 / 2 | 0 | 0 | 204 | 0% | | Philadelphia, Wilmington, Trenton | PA | 15 / 15 | 1 | 172 | 4710 | 4% | | Phoenix | AZ | 10 / 9 | 1 | 167 | 1739 | 10% | | Pittsburgh, Beaver Valley | PA | 3 / 3 | 0 | 0 | 4 | 0% | | Portland, Vancouver | OR | 7 / 7 | 1 | 68 | 2033 | 3% | | Providence, Pawtucket, Fall River | RI | 7 / 7 | 1 | 5 | 1107 | 0% | | Provo - Orem | UT | 3 / 3 | 0 | 0 | 229 | 0% | | Raleigh-Durham | NC | 5 / 3 | 0 | 0 | 613 | 0% | | Reno | NV | 2 / 2 | 0 | 0 | 352 | 0% | | Richmond, Petersburg | VA | 4 / 4 | 1 | 351 | 638 | 55% | | Roanoke | VA | 2 / 2 | 0 | 0 | 155 | 0% | | Rochester | NY | 1 / 1 | 0 | 0 | 620 | 0% | | Sacramento | CA | 3 / 2 | 0 | 0 | 1371 | 0% | | Salinas | CA | 4 / 3 | 0 | 0 | 131 | 0% | | Salt Lake City, Ogden | UT | 6 / 5 | 0 | 0 | 1173 | 0% | | San Antonio | TX | 2 / 2 | 0 | 0 | 1168 | 0% | | San Diego | CA | 7 / 7 | 2 | 12 | 2823 | 0% | | San Francisco, Oakland, San Jose | CA | 7 / 6 | 1 | 3 | 3009 | 0% | | San Luis Obispo | CA | 3 / 2 | 0 | 0 | 53 | 0% | | Santa Barbara | CA | 4 / 3 | 0 | 0 | 279 | 0% | | Sarasota-Bradenton | FL | 2 / 2 | 0 | 0 | 428 | 0% | | Scranton, Wilkes-Barre | PA | 1 / 1 | 0 | 0 | 102 | 0% | | Seattle, Tacoma | WA | 11 / 11 | 1 | 38 | 2319 | 2% | | Spokane | WA | 3 / 3 | 0 | 0 | 316 | 0% | | Springfield | MA | 2 / 2 | 0 | 0 | 45 | 0% | | Springfield(MO) | MO | 3 / 3 | 0 | 0 | 369 | 0% | | St. Louis | MO | 8 / 8 | 0 | 0 | 2749 | 0% | | Stockton | CA | 4 / 4 | 0 | 0 | 463 | 0% | | Syracuse | NY | 3 / 1 | 0 | 0 | 375 | 0% | | Tampa, St. Petersburg, Clearwater | FL | 6 / 6 | 3 | 47 | 2006 | 2% | | Toledo | OH | 4 / 3 | 0 | 0 | 648 | 0% | | Tucson | AZ | 3 / 3 | 1 | 18 | 720 | 3% | | Tulsa | OK | 3 / 3 | 1 | 1 | 545 | 0% | | Washington | DC | 7 / 7 | 2 | 819 | 6489 | 13% | | West Palm Beach, Boca Raton, Delray | FL | 2 / 1 | 0 | 0 | 133 | 0% | | Wichita | KS | 2 / 1 | 0 | 0 | 30 | 0% | | Youngstown, Warren | OH | 5 / 3 | 0 | 0 | 240 | 0% | | 107 Metropolitan Areas * N/R = No response |
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