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Updated 8:00 AM EST, April 15, 2008
 Permanent Dynamic Message Signs on Freeways
2004 National Summary
| Number of Metropolitan Areas Surveyed / Returned Survey | Number of Metropolitan Areas with Permanent Dynamic Message Signs | Number of Permanent Dynamic Message Signs |
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| 106 / 100 | 75 | 2995 |
2004 Metropolitan Summary
| Metropolitan Area | State | Number of Agencies Surveyed / Returned Survey | Number of Agencies with Permanent Dynamic Message Signs | Number of Permanent Dynamic Message Signs |
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| Albany, Schenectady, Troy | NY | 2 / 2 | 2 | 10 | | Albuquerque | NM | 1 / 1 | 1 | 8 | | Allentown, Bethlehem, Easton | PA | 2 / 2 | 2 | 5 | | Asheville | NC | 1 / 1 | 1 | 3 | | Atlanta | GA | 1 / 1 | 1 | 95 | | Austin | TX | 1 / 1 | 0 | N/R* | | Bakersfield | CA | 1 / 1 | 1 | 29 | | Baltimore | MD | 1 / 1 | 1 | 40 | | Baton Rouge | LA | 1 / 1 | 1 | 19 | | Beaumont-Port Arthur | TX | 1 / 1 | 1 | 6 | | Bellingham | WA | 1 / 1 | 1 | 3 | | Birmingham | AL | 1 / 1 | 1 | 14 | | Boise City | ID | 1 / 1 | 1 | 3 | | Boston, Lawrence, Salem | MA | 1 / 1 | 1 | 15 | | Buffalo, Niagara Falls | NY | 2 / 2 | 2 | 39 | | Charleston | SC | 1 / 0 | 0 | N/R* | | Charlotte, Gastonia, Rock Hill | NC | 2 / 1 | 1 | 20 | | Chattanooga | TN | 1 / 1 | 0 | N/R* | | Chicago, Gary, Lake County | IL | 4 / 4 | 3 | 51 | | Cincinnati, Hamilton | OH | 1 / 1 | 1 | 43 | | Cleveland, Akron, Lorain | OH | 3 / 3 | 1 | 1 | | Columbia | SC | 1 / 1 | 1 | 4 | | Columbus | OH | 1 / 1 | 1 | 4 | | Dallas, Fort Worth | TX | 2 / 2 | 2 | 84 | | Dayton, Springfield | OH | 1 / 1 | 0 | N/R* | | Daytona Beach | FL | 1 / 1 | 1 | 4 | | Denver, Boulder | CO | 1 / 1 | 1 | 192 | | Des Moines | IA | 1 / 1 | 1 | 6 | | Detroit, Ann Arbor | MI | 1 / 1 | 1 | 64 | | El Paso | TX | 1 / 1 | 1 | 32 | | Eugene | OR | 1 / 1 | 0 | N/R* | | Fort Myers | FL | 1 / 1 | 0 | N/R* | | Fort Wayne | IN | 1 / 1 | 1 | 2 | | Fresno | CA | 1 / 1 | 1 | 35 | | Grand Rapids | MI | 1 / 1 | 0 | N/R* | | Greensboro, Winston-Salem, High Point | NC | 2 / 2 | 2 | 37 | | Greenville | NC | 1 / 0 | 0 | N/R* | | Greenville, Spartanburg | SC | 1 / 0 | 0 | N/R* | | Hampton Roads | VA | 1 / 1 | 1 | 120 | | Harrisburg, Lebanon, Carlisle | PA | 2 / 2 | 0 | 0 | | Hartford, New Britain, Middletown | CT | 1 / 1 | 1 | 38 | | Honolulu | HI | 1 / 1 | 1 | 42 | | Houston, Galveston, Brazoria | TX | 1 / 1 | 1 | 117 | | Huntsville | AL | 1 / 1 | 0 | N/R* | | Indianapolis | IN | 1 / 1 | 1 | 19 | | Jackson | MS | 1 / 0 | 0 | N/R* | | Jacksonville | FL | 1 / 1 | 0 | N/R* | | Janesville-Beloit | WI | 1 / 1 | 0 | N/R* | | Kansas City | MO | 2 / 2 | 2 | 54 | | Knoxville | TN | 1 / 1 | 0 | N/R* | | Lancaster | PA | 1 / 0 | 0 | N/R* | | Las Vegas | NV | 1 / 1 | 1 | 12 | | Little Rock, North Little Rock | AR | 1 / 1 | 0 | 0 | | Los Angeles, Anaheim, Riverside | CA | 3 / 3 | 2 | 92 | | Louisville | KY | 1 / 1 | 1 | 15 | | McAllen | TX | 1 / 1 | 0 | N/R* | | Memphis | TN | 1 / 1 | 0 | N/R* | | Miami, Fort Lauderdale | FL | 2 / 2 | 2 | 38 | | Milwaukee, Racine | WI | 1 / 1 | 1 | 25 | | Minneapolis, St. Paul | MN | 1 / 1 | 1 | 66 | | Modesto | CA | 1 / 1 | 0 | 0 | | Montgomery | AL | 1 / 1 | 0 | N/R* | | Nashville | TN | 1 / 1 | 1 | 17 | | New Haven, Meriden | CT | 1 / 1 | 1 | 24 | | New London | CT | 1 / 1 | 1 | 2 | | New Orleans | LA | 2 / 2 | 1 | 15 | | New York, Northern New Jersey, Southwestern Connecticut | NY | 11 / 9 | 6 | 288 | | Oklahoma City | OK | 1 / 1 | 1 | 11 | | Omaha | NE | 1 / 1 | 1 | 20 | | Orlando | FL | 1 / 1 | 1 | 112 | | Philadelphia, Wilmington, Trenton | PA | 6 / 6 | 3 | 39 | | Phoenix | AZ | 1 / 1 | 1 | 109 | | Pittsburgh, Beaver Valley | PA | 2 / 2 | 2 | 34 | | Portland, Vancouver | OR | 1 / 1 | 1 | 16 | | Providence, Pawtucket, Fall River | RI | 1 / 1 | 1 | 13 | | Provo - Orem | UT | 1 / 1 | 1 | 1 | | Raleigh-Durham | NC | 1 / 1 | 1 | 11 | | Richmond, Petersburg | VA | 1 / 1 | 1 | 14 | | Roanoke | VA | 1 / 1 | 1 | 8 | | Rochester | NY | 1 / 1 | 1 | 13 | | Sacramento | CA | 1 / 0 | 0 | N/R* | | Salinas | CA | 1 / 1 | 0 | N/R* | | Salt Lake City, Ogden | UT | 2 / 2 | 2 | 68 | | San Antonio | TX | 1 / 1 | 1 | 180 | | San Diego | CA | 1 / 1 | 1 | 46 | | San Francisco, Oakland, San Jose | CA | 1 / 1 | 1 | 91 | | San Juan | PR | 1 / 1 | 1 | 7 | | San Luis Obispo | CA | 1 / 1 | 0 | N/R* | | Santa Barbara | CA | 1 / 1 | 0 | N/R* | | Sarasota-Bradenton | FL | 1 / 1 | 0 | N/R* | | Scranton, Wilkes-Barre | PA | 2 / 2 | 1 | 8 | | Seattle, Tacoma | WA | 2 / 2 | 2 | 77 | | Spokane | WA | 1 / 1 | 1 | 6 | | Springfield | MA | 1 / 1 | 0 | N/R* | | Springfield(MO) | MO | 1 / 1 | 1 | 1 | | St. Louis | MO | 2 / 2 | 2 | 15 | | Stockton | CA | 1 / 1 | 1 | 3 | | Syracuse | NY | 2 / 2 | 1 | 3 | | Tampa, St. Petersburg, Clearwater | FL | 1 / 1 | 1 | 3 | | Toledo | OH | 2 / 2 | 1 | 1 | | Tucson | AZ | 1 / 1 | 0 | 0 | | Tulsa | OK | 1 / 1 | 1 | 6 | | Washington | DC | 3 / 3 | 2 | 227 | | West Palm Beach, Boca Raton, Delray | FL | 1 / 1 | 0 | N/R* | | Wichita | KS | 1 / 1 | 0 | N/R* | | Youngstown, Warren | OH | 1 / 1 | 0 | N/R* | | 106 Metropolitan Areas * N/R = No response |
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