|
|
 |
|
Updated 8:00 AM EST, November 12, 2008
 Signalized Intersections Under Closed Loop or Central System Control
2007 National Summary
| Number of Metropolitan Areas Surveyed / Returned Survey | Number of Metropolitan Areas with Signalized Intersections Under Closed Loop or Central Control | Signalized Intersections |
|---|
| Under Closed Loop or Central System Control | Total Operated | Percent |
|---|
| 107 / 102 | 99 | 72255 | 137320 | 53% |
2007 Metropolitan Summary
| Metropolitan Area | State | Number of Agencies Surveyed / Returned Survey | Number of Agencies with Technology | Signalized Intersections |
|---|
| Under Closed Loop or Central System Control | Total Operated | Percent |
|---|
| Albany, Schenectady, Troy | NY | 5 / 3 | 3 | 116 | 436 | 27% | | Albuquerque | NM | 3 / 3 | 3 | 523 | 693 | 75% | | Allentown, Bethlehem, Easton | PA | 2 / 1 | 1 | 64 | 111 | 58% | | Asheville | NC | 2 / 2 | 2 | 93 | 573 | 16% | | Atlanta | GA | 10 / 8 | 6 | 2821 | 6099 | 46% | | Austin | TX | 1 / 1 | 1 | 665 | 842 | 79% | | Bakersfield | CA | 2 / 2 | 0 | 0 | 110 | 0% | | Baltimore | MD | 5 / 5 | 4 | 1191 | 1891 | 63% | | Baton Rouge | LA | 3 / 3 | 1 | 253 | 753 | 34% | | Beaumont-Port Arthur | TX | 3 / 3 | 2 | 73 | 405 | 18% | | Bellingham | WA | 2 / 2 | 1 | 50 | 125 | 40% | | Birmingham | AL | 3 / 2 | 1 | 462 | 709 | 65% | | Boise City | ID | 1 / 1 | 1 | 290 | 390 | 74% | | Boston, Lawrence, Salem | MA | 13 / 5 | 3 | 630 | 1125 | 56% | | Buffalo, Niagara Falls | NY | 6 / 4 | 2 | 130 | 236 | 55% | | Charleston | SC | 3 / 2 | 2 | 300 | 578 | 52% | | Charlotte, Gastonia, Rock Hill | NC | 3 / 2 | 2 | 725 | 810 | 90% | | Chattanooga | TN | 2 / 2 | 1 | 165 | 320 | 52% | | Chicago, Gary, Lake County | IL | 25 / 25 | 23 | 3960 | 8632 | 46% | | Cincinnati, Hamilton | OH | 8 / 7 | 7 | 442 | 1125 | 39% | | Cleveland, Akron, Lorain | OH | 18 / 16 | 11 | 454 | 1183 | 38% | | Columbia | SC | 2 / 0 | 0 | N/R* | N/R* | N/R* | | Columbus | OH | 3 / 2 | 2 | 86 | 163 | 53% | | Dallas, Fort Worth | TX | 13 / 13 | 13 | 3087 | 4299 | 72% | | Dayton, Springfield | OH | 8 / 7 | 5 | 455 | 639 | 71% | | Daytona Beach | FL | 2 / 2 | 2 | 288 | 550 | 52% | | Denver, Boulder | CO | 14 / 14 | 12 | 1778 | 3085 | 58% | | Des Moines | IA | 2 / 2 | 2 | 314 | 384 | 82% | | Detroit, Ann Arbor | MI | 12 / 10 | 6 | 1296 | 5109 | 25% | | El Paso | TX | 2 / 2 | 2 | 510 | 631 | 81% | | Eugene | OR | 4 / 3 | 2 | 248 | 317 | 78% | | Fort Myers | FL | 3 / 2 | 2 | 123 | 192 | 64% | | Fort Wayne | IN | 2 / 2 | 2 | 381 | 806 | 47% | | Fresno | CA | 2 / 2 | 2 | 58 | 735 | 8% | | Grand Rapids | MI | 3 / 3 | 2 | 225 | 760 | 30% | | Greensboro, Winston-Salem, High Point | NC | 7 / 7 | 5 | 696 | 959 | 73% | | Greenville | NC | 2 / 2 | 2 | 320 | 521 | 61% | | Greenville, Spartanburg | SC | 3 / 2 | 2 | 220 | 330 | 67% | | Hampton Roads | VA | 7 / 7 | 7 | 1279 | 1432 | 89% | | Harrisburg, Lebanon, Carlisle | PA | 1 / 0 | 0 | N/R* | N/R* | N/R* | | Hartford, New Britain, Middletown | CT | 6 / 5 | 3 | 308 | 1012 | 30% | | Honolulu | HI | 1 / 1 | 1 | 355 | 789 | 45% | | Houston, Galveston, Brazoria | TX | 8 / 6 | 5 | 863 | 3877 | 22% | | Huntsville | AL | 2 / 2 | 2 | 43 | 317 | 14% | | Indianapolis | IN | 4 / 4 | 3 | 927 | 1260 | 74% | | Jackson | MS | 3 / 2 | 1 | 157 | 321 | 49% | | Jacksonville | FL | 4 / 4 | 3 | 1023 | 1968 | 52% | | Janesville-Beloit | WI | 3 / 2 | 1 | 9 | 52 | 17% | | Kansas City | MO | 5 / 5 | 5 | 770 | 1792 | 43% | | Knoxville | TN | 3 / 3 | 2 | 229 | 405 | 57% | | Lancaster | PA | 1 / 0 | 0 | N/R* | N/R* | N/R* | | Las Vegas | NV | 1 / 1 | 1 | 972 | 1042 | 93% | | Little Rock, North Little Rock | AR | 2 / 2 | 2 | 361 | 377 | 96% | | Los Angeles, Anaheim, Riverside | CA | 17 / 14 | 14 | 2637 | 6137 | 43% | | Louisville | KY | 3 / 3 | 1 | 587 | 694 | 85% | | McAllen | TX | 2 / 2 | 1 | 100 | 196 | 51% | | Memphis | TN | 2 / 2 | 1 | 160 | 787 | 20% | | Miami, Fort Lauderdale | FL | 2 / 2 | 2 | 3291 | 4104 | 80% | | Milwaukee, Racine | WI | 10 / 9 | 6 | 191 | 1508 | 13% | | Minneapolis, St. Paul | MN | 11 / 10 | 8 | 2220 | 3002 | 74% | | Modesto | CA | 3 / 3 | 3 | 198 | 336 | 59% | | Montgomery | AL | 2 / 2 | 2 | 109 | 495 | 22% | | Nashville | TN | 2 / 2 | 1 | 512 | 771 | 66% | | New Haven, Meriden | CT | 5 / 4 | 4 | 419 | 759 | 55% | | New London | CT | 3 / 2 | 1 | 22 | 34 | 65% | | New Orleans | LA | 5 / 3 | 1 | 87 | 552 | 16% | | New York, Northern New Jersey, Southwestern Connecticut | NY | 42 / 34 | 19 | 8446 | 18349 | 46% | | Oklahoma City | OK | 3 / 3 | 3 | 449 | 887 | 51% | | Omaha | NE | 4 / 4 | 3 | 1437 | 1778 | 81% | | Orlando | FL | 4 / 4 | 4 | 1152 | 1527 | 75% | | Pensacola | FL | 3 / 2 | 1 | 103 | 206 | 50% | | Philadelphia, Wilmington, Trenton | PA | 15 / 12 | 7 | 1330 | 4443 | 30% | | Phoenix | AZ | 10 / 8 | 7 | 916 | 1274 | 72% | | Pittsburgh, Beaver Valley | PA | 3 / 2 | 1 | 4 | 4 | 100% | | Portland, Vancouver | OR | 7 / 6 | 3 | 830 | 1921 | 43% | | Providence, Pawtucket, Fall River | RI | 7 / 6 | 1 | 4 | 361 | 1% | | Provo - Orem | UT | 3 / 2 | 2 | 179 | 257 | 70% | | Raleigh-Durham | NC | 5 / 3 | 3 | 726 | 906 | 80% | | Reno | NV | 2 / 2 | 2 | 275 | 357 | 77% | | Richmond, Petersburg | VA | 4 / 4 | 2 | 393 | 1088 | 36% | | Roanoke | VA | 2 / 0 | 0 | N/R* | N/R* | N/R* | | Rochester | NY | 1 / 1 | 1 | 449 | 621 | 72% | | Sacramento | CA | 3 / 2 | 2 | 760 | 1381 | 55% | | Salinas | CA | 4 / 4 | 1 | 5 | 135 | 4% | | Salt Lake City, Ogden | UT | 6 / 6 | 5 | 819 | 1175 | 70% | | San Antonio | TX | 2 / 1 | 0 | 0 | 15 | 0% | | San Diego | CA | 7 / 7 | 7 | 1886 | 2885 | 65% | | San Francisco, Oakland, San Jose | CA | 7 / 6 | 6 | 1036 | 2885 | 36% | | San Luis Obispo | CA | 3 / 3 | 2 | 71 | 389 | 18% | | Santa Barbara | CA | 4 / 4 | 3 | 106 | 283 | 37% | | Sarasota-Bradenton | FL | 2 / 2 | 2 | 266 | 428 | 62% | | Scranton, Wilkes-Barre | PA | 1 / 0 | 0 | N/R* | N/R* | N/R* | | Seattle, Tacoma | WA | 11 / 10 | 10 | 1796 | 2859 | 63% | | Spokane | WA | 3 / 3 | 2 | 244 | 320 | 76% | | Springfield | MA | 2 / 1 | 1 | 32 | 240 | 13% | | Springfield(MO) | MO | 3 / 3 | 2 | 303 | 371 | 82% | | St. Louis | MO | 8 / 7 | 4 | 1094 | 2204 | 50% | | Stockton | CA | 4 / 4 | 2 | 232 | 468 | 50% | | Syracuse | NY | 3 / 2 | 2 | 156 | 468 | 33% | | Tampa, St. Petersburg, Clearwater | FL | 6 / 6 | 6 | 1723 | 2040 | 84% | | Toledo | OH | 4 / 3 | 3 | 470 | 642 | 73% | | Tucson | AZ | 3 / 2 | 2 | 570 | 570 | 100% | | Tulsa | OK | 3 / 2 | 1 | 15 | 80 | 19% | | Washington | DC | 7 / 6 | 4 | 2452 | 2457 | 100% | | West Palm Beach, Boca Raton, Delray | FL | 2 / 1 | 1 | 133 | 133 | 100% | | Wichita | KS | 2 / 1 | 0 | 0 | 33 | 0% | | Youngstown, Warren | OH | 5 / 4 | 2 | 72 | 235 | 31% | | 107 Metropolitan Areas * N/R = No response |
|
|
|  |
