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Updated 8:00 AM EST, April 15, 2008
 Signalized Intersections with Adaptive Signal Control
2004 National Summary
| Number of Metropolitan Areas Surveyed / Returned Survey | Number of Metropolitan Areas with Technology | Number of Signalized Intersections |
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| With Adaptive Signal Control | Total | Percent |
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| 107 / 106 | 36 | 5576 | 152609 | 4% |
2004 Metropolitan Summary
| Metropolitan Area | State | Number of Agencies Surveyed / Returned Survey | Number of Agencies with Technology | Number of Signalized Intersections |
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| With Adaptive Signal Control | Total | Percent |
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| Albany, Schenectady, Troy | NY | 5 / 4 | 1 | 34 | 1107 | 3% | | Albuquerque | NM | 3 / 3 | 0 | 0 | 667 | 0% | | Allentown, Bethlehem, Easton | PA | 2 / 2 | 0 | 0 | 297 | 0% | | Asheville | NC | 2 / 2 | 0 | 0 | 56 | 0% | | Atlanta | GA | 10 / 10 | 0 | 0 | 3532 | 0% | | Austin | TX | 1 / 1 | 0 | 0 | 785 | 0% | | Bakersfield | CA | 2 / 2 | 0 | 0 | 388 | 0% | | Baltimore | MD | 5 / 4 | 0 | 0 | 2961 | 0% | | Baton Rouge | LA | 3 / 3 | 1 | 395 | 800 | 49% | | Beaumont-Port Arthur | TX | 3 / 3 | 0 | 0 | 411 | 0% | | Bellingham | WA | 2 / 1 | 0 | 0 | 120 | 0% | | Birmingham | AL | 3 / 3 | 0 | 0 | 903 | 0% | | Boise City | ID | 1 / 1 | 0 | 0 | 365 | 0% | | Boston, Lawrence, Salem | MA | 13 / 11 | 1 | 110 | 2496 | 4% | | Buffalo, Niagara Falls | NY | 6 / 5 | 0 | 0 | 1163 | 0% | | Charleston | SC | 3 / 3 | 0 | 0 | 536 | 0% | | Charlotte, Gastonia, Rock Hill | NC | 3 / 2 | 1 | 20 | 650 | 3% | | Chattanooga | TN | 2 / 2 | 0 | 0 | 291 | 0% | | Chicago, Gary, Lake County | IL | 25 / 24 | 2 | 15 | 7428 | 0% | | Cincinnati, Hamilton | OH | 8 / 8 | 1 | 7 | 1768 | 0% | | Cleveland, Akron, Lorain | OH | 18 / 18 | 1 | 100 | 2446 | 4% | | Columbia | SC | 2 / 2 | 0 | 0 | 491 | 0% | | Columbus | OH | 3 / 3 | 0 | 0 | 1196 | 0% | | Dallas, Fort Worth | TX | 13 / 13 | 0 | 0 | 3955 | 0% | | Dayton, Springfield | OH | 8 / 8 | 2 | 34 | 769 | 4% | | Daytona Beach | FL | 2 / 2 | 0 | 0 | 521 | 0% | | Denver, Boulder | CO | 14 / 14 | 2 | 16 | 2881 | 1% | | Des Moines | IA | 2 / 2 | 0 | 0 | 13 | 0% | | Detroit, Ann Arbor | MI | 12 / 12 | 3 | 654 | 5568 | 12% | | El Paso | TX | 2 / 2 | 0 | 0 | 607 | 0% | | Eugene | OR | 4 / 4 | 0 | 0 | 317 | 0% | | Fort Myers | FL | 3 / 3 | 0 | 0 | 566 | 0% | | Fort Wayne | IN | 2 / 2 | 0 | 0 | 785 | 0% | | Fresno | CA | 2 / 2 | 1 | 51 | 693 | 7% | | Grand Rapids | MI | 3 / 3 | 1 | 2 | 633 | 0% | | Greensboro, Winston-Salem, High Point | NC | 7 / 7 | 1 | 28 | 1296 | 2% | | Greenville | NC | 2 / 2 | 0 | 0 | 511 | 0% | | Greenville, Spartanburg | SC | 3 / 3 | 0 | 0 | 712 | 0% | | Hampton Roads | VA | 7 / 7 | 3 | 131 | 1343 | 10% | | Harrisburg, Lebanon, Carlisle | PA | 1 / 1 | 0 | 0 | 93 | 0% | | Hartford, New Britain, Middletown | CT | 6 / 5 | 0 | 0 | 1165 | 0% | | Honolulu | HI | 1 / 1 | 0 | 0 | 760 | 0% | | Houston, Galveston, Brazoria | TX | 8 / 8 | 0 | 0 | 4115 | 0% | | Huntsville | AL | 2 / 2 | 0 | 0 | 15 | 0% | | Indianapolis | IN | 4 / 4 | 0 | 0 | 1249 | 0% | | Jackson | MS | 3 / 3 | 1 | 1 | 323 | 0% | | Jacksonville | FL | 4 / 4 | 0 | 0 | 1848 | 0% | | Janesville-Beloit | WI | 3 / 3 | 0 | 0 | 52 | 0% | | Kansas City | MO | 6 / 6 | 0 | 0 | 1706 | 0% | | Knoxville | TN | 3 / 3 | 0 | 0 | 390 | 0% | | Lancaster | PA | 1 / 0 | 0 | N/R* | N/R* | N/R* | | Las Vegas | NV | 1 / 1 | 0 | 0 | 775 | 0% | | Little Rock, North Little Rock | AR | 2 / 2 | 0 | 0 | 344 | 0% | | Los Angeles, Anaheim, Riverside | CA | 17 / 17 | 4 | 625 | 9133 | 7% | | Louisville | KY | 3 / 3 | 0 | 0 | 691 | 0% | | McAllen | TX | 2 / 2 | 0 | 0 | 530 | 0% | | Memphis | TN | 2 / 2 | 0 | 0 | 778 | 0% | | Miami, Fort Lauderdale | FL | 2 / 2 | 0 | 0 | 3950 | 0% | | Milwaukee, Racine | WI | 10 / 10 | 2 | 81 | 1612 | 5% | | Minneapolis, St. Paul | MN | 12 / 12 | 3 | 146 | 3025 | 5% | | Modesto | CA | 3 / 3 | 0 | 0 | 264 | 0% | | Montgomery | AL | 2 / 2 | 0 | 0 | 485 | 0% | | Nashville | TN | 2 / 2 | 0 | 0 | 719 | 0% | | New Haven, Meriden | CT | 5 / 4 | 0 | 0 | 759 | 0% | | New London | CT | 3 / 3 | 0 | 0 | 76 | 0% | | New Orleans | LA | 5 / 4 | 0 | 0 | 1152 | 0% | | New York, Northern New Jersey, Southwestern Connecticut | NY | 43 / 40 | 5 | 986 | 20811 | 5% | | Oklahoma City | OK | 3 / 3 | 0 | 0 | 853 | 0% | | Omaha | NE | 4 / 4 | 0 | 0 | 1767 | 0% | | Orlando | FL | 4 / 4 | 1 | 499 | 1368 | 36% | | Pensacola | FL | 3 / 3 | 0 | 0 | 281 | 0% | | Philadelphia, Wilmington, Trenton | PA | 15 / 15 | 3 | 147 | 4634 | 3% | | Phoenix | AZ | 10 / 10 | 1 | 162 | 2515 | 6% | | Pittsburgh, Beaver Valley | PA | 3 / 3 | 0 | 0 | 3 | 0% | | Portland, Vancouver | OR | 7 / 6 | 1 | 68 | 1751 | 4% | | Providence, Pawtucket, Fall River | RI | 7 / 7 | 1 | 12 | 1196 | 1% | | Provo - Orem | UT | 3 / 2 | 0 | 0 | 253 | 0% | | Raleigh-Durham | NC | 5 / 4 | 0 | 0 | 594 | 0% | | Reno | NV | 2 / 2 | 0 | 0 | 332 | 0% | | Richmond, Petersburg | VA | 4 / 3 | 1 | 200 | 558 | 36% | | Roanoke | VA | 2 / 2 | 1 | 30 | 305 | 10% | | Rochester | NY | 1 / 1 | 0 | 0 | 612 | 0% | | Sacramento | CA | 3 / 3 | 0 | 0 | 1275 | 0% | | Salinas | CA | 4 / 3 | 0 | 0 | 127 | 0% | | Salt Lake City, Ogden | UT | 6 / 4 | 0 | 0 | 730 | 0% | | San Antonio | TX | 2 / 2 | 0 | 0 | 1106 | 0% | | San Diego | CA | 7 / 7 | 1 | 11 | 2643 | 0% | | San Francisco, Oakland, San Jose | CA | 7 / 7 | 2 | 13 | 3892 | 0% | | San Luis Obispo | CA | 3 / 2 | 0 | 0 | 65 | 0% | | Santa Barbara | CA | 4 / 4 | 1 | 9 | 384 | 2% | | Sarasota-Bradenton | FL | 2 / 2 | 0 | 0 | 387 | 0% | | Scranton, Wilkes-Barre | PA | 1 / 1 | 0 | 0 | 102 | 0% | | Seattle, Tacoma | WA | 11 / 11 | 2 | 44 | 2728 | 2% | | Spokane | WA | 3 / 3 | 0 | 0 | 316 | 0% | | Springfield | MA | 2 / 2 | 0 | 0 | 247 | 0% | | Springfield(MO) | MO | 3 / 3 | 0 | 0 | 268 | 0% | | St. Louis | MO | 8 / 8 | 1 | 20 | 2656 | 1% | | Stockton | CA | 4 / 4 | 1 | 33 | 429 | 8% | | Syracuse | NY | 3 / 3 | 0 | 0 | 921 | 0% | | Tampa, St. Petersburg, Clearwater | FL | 7 / 7 | 1 | 13 | 1973 | 1% | | Toledo | OH | 4 / 4 | 0 | 0 | 658 | 0% | | Tucson | AZ | 3 / 3 | 1 | 18 | 575 | 3% | | Tulsa | OK | 3 / 3 | 1 | 1 | 505 | 0% | | Washington | DC | 7 / 6 | 2 | 860 | 2731 | 31% | | West Palm Beach, Boca Raton, Delray | FL | 2 / 2 | 0 | 0 | 1103 | 0% | | Wichita | KS | 2 / 2 | 0 | 0 | 434 | 0% | | Youngstown, Warren | OH | 5 / 5 | 0 | 0 | 485 | 0% | | 107 Metropolitan Areas * N/R = No response |
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