Automatic License Plate Readers: Are You Being Followed?

In July 2012, American Civil Liberties Union affiliates in 36 states and Washington D.C. sent requests to 587 local police departments and state agencies demanding information on how they use automatic license plate readers (ALPR) to track and record Americans' movements.

On the same day, the ACLU and the ACLU of Massachusetts filed federal FOIA requests with the Departments of Justice, Homeland Security, and Transportation to learn how the federal government funds ALPR expansion nationwide and uses the technology itself. Learn more»

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Arizona

ACLU Affiliate Filed Requests

Department of Public Safety
Pinal County Sheriff's Office
Chandler Police Department
Tucson Police Department
Phoenix Police Department

ACLU of Arizona Press Release

Alaska

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
Anchorage Police Department
Department of Public Safety

Requests for information on ALPR funding filed in:
Department of Commerce, Community, and Economic Development

Arkansas

ACLU Affiliate Filed Requests

Arkansas State Police

Florida

ACLU Affiliate Filed Requests

Iowa

ACLU Affiliate Filed Requests

Ames Police Department
Cedar Falls Police Department
Cedar Rapids Police Department
Coralville Police Department
Davenport Police Department
Des Moines Police Department
Iowa City Police Department
Iowa Department of Public Safety
Iowa Department of Transportation
Iowa State Patrol
Johnson County Sheriff's Office
Linn County Sheriff's Office
Polk County Sheriff's Office
Sioux City Police Department
Waterloo Police Department
West Des Moines Police Department
Iowa Dept. of Public Safety, Div. of Intelligence and Fusion Center

Kansas

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
Wichita Police Department
Hutchinson Police Department
Shawnee Police Department
Lenexa Police Department

Requests for information on ALPR funding filed in:
Kansas Highway Patrol

Louisiana

ACLU Affiliate Filed Requests

ACLU Affiliate Filed Requests

California

ACLU Affiliates Have Filed Requests and Have Filed Requests Previously

ACLU of Southern California and ACLU of San Diego & Imperial Counties filed requests previously.
ACLU of Northern California filed requests and has filed requests previously.

ACLU of Northern California requests For information on ALPR implementaion: 
Fremont Police Department
Novato Police Department
San Francisco Police Department
Alameda Police Department
Berkeley Police Department
Burlingame Police Department
Chico
Concord Police Department
Daly City Police Department
East Palo Alto Police Department
El Cerrito Police Department
Elk Grove
Fairfield
Foster City Police Department
Hayward Police Department
Hercules Police Department
Livermore
Madera
Menlo Park Police Department
Millbrae Police Department
Milpitas
Palo Alto
Piedmont
Pittsburg Police Department
Rancho Cordova
Redding
Salinas
San Anselmo
San Leandro
San Mateo Police Department
San Pablo Police Department
Santa Cruz Police Department
Santa Rosa
Sausalito Police Department
South San Francisco Police Department
Tiburon Police Department
Vacaville
Yuba City
Butte County Sheriff's Office
El Dorado County Sheriff
Humboldt County Sheriff
Mendocino County Sheriff
Merced County Sheriff
Napa Sheriff's Office
Nevada County Sheriff
Placer County
San Joaquin County
Santa Clara Sheriff's Office
Yolo County

ACLU of Northern California requests for information on ALPR funding filed in: 
Butte County Board of Supervisors
El Dorado County Board of Supervisors
Humboldt County Board of Supervisors
Mendocino County Board of Supervisors
Merced County Board of Supervisors
Napa County Board of Supervisors
Placer County Board of Supervisors
San Joaquin County Board of Supervisors
Santa Clara County Board of Supervisors
Yolo County Board of Supervisors
San Rafael Police Department
Twin Cities Chief of Police
Mill Valley Police Department
Sacramento Sheriff 
California Highway Patrol
California Office of Media Relations
CA State Park Rangers
California Department of Justice

Connecticut

ACLU Affiliates Have Filed Requests and Have Filed Requests Previously

Delaware

ACLU Affiliate Filed Requests

Delaware Department of Safety & Homeland Security
Delaware Department of Transportation
New Castle County
Town of Dewey Beach
Elsmere Bureau of Police
City of Harrington
Milford Police Department
Town of Newport
Town of Smyrna
Delaware Department of Justice
City of Wilmington Law Department
Delaware City
Dover Department of Police
Town of Georgetown
Lewes Police Department
Town of Newark
Rehoboth Beach Police Department

District of Columbia

ACLU Affiliates Have Filed Requests and Have Filed Requests Previously

D.C. Metropolitan Police Department

ACLU Affiliate Has Also Filed Requests Previously.

ACLU of the Nation's Capital Press Release

Massachusetts

ACLU Affiliates Have Filed Requests and Have Filed Requests Previously

Maryland

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
Annapolis Police Department
Anne Arundel County Police Department
Baltimore City Police Department
Baltimore County Police Department
Baltimore County Sheriff's Office
Charles County Sheriff's Office
Harford County Sheriff's Office
Howard County Police Department
Maryland Coordination and Analysis Center
Maryland Department of Natural Resources Police
Maryland Department of Public Safety and Correctional Services
Maryland Highway Administration
Maryland State Police
Maryland Transit Administration Police
Maryland Transportation Authority Police
Montgomery County Police Department
Prince George's County Sheriff's Office
Prince George's County Police Department
Takoma Park Police Department
Bowie Police Department
Calvert County Sheriff's Office
Carroll County Sheriff's Office
Cecil County Sheriff's Office
Frederick County Sheriff's Office
Frederick Police Department
Gaithersburg Police Department
Greenbelt Police Department
Hagerstown Police Department
Laurel Police Department
Ocean City Police Department
Rockville Police Department
Salisbury Police Department
St. Mary's County Sheriff's Office
Washington County Sheriff's Office
Wicomico County Sheriff's Office

Requests for information on ALPR funding filed in:
Governor's Office of Crime Control and Prevention
Governor's Office of Homeland Security
Maryland Department of Public Safety and Correctional Services
Maryland Transit Administration
Maryland Coordination and Analysis Center
Maryland State Highway Administration

Learn more about our requests:http://www.aclu-md.org/our_work/legal_cases/12 

Uncovering License Plate Scanners: The Next Big Thing in Government Tracking (Blog Post)

Request Your Own Data

ACLU of Maryland Press Release

Missouri

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
Kansas City Police Department

North Carolina

ACLU Affiliates Have Filed Requests and Have Filed Requests Previously

Alamance Co. Sheriff's Office
Anson Co. Sheriff's Office
Apex Police Department
Asheville Police Department
Avery Co. Sheriff's Office
Beaufort Co. Sheriff's Office
Brunswick Co. Sheriff's Office
Buncombe Co. Sheriff's Office
Burke Co. Sheriff's Office
Burlington Police Department
Caldwell Co. Sheriff's Office
Camden Co. Sheriff's Office
Carteret Co. Sheriff's Office
Cary Police Department
Caswell Co. Sheriff's Office
Catawba Co. Sheriff's Office
Chapel Hill Police Department
Charlotte-Mecklenburg Police Department
Chatham Co. Sheriff's Office
Concord Police Department
Cumberland Co. Sheriff's Office
Davie Co. Sheriff's Office
Durham Co. Sheriff's Office
Durham Police Department
Edgecombe Co. Sheriff's Office
Fayetteville Police Department
Forsyth Co. Sheriff's Office
Garner Police Department
Gaston Co. Sheriff's Office
Gastonia Police Department
Goldsboro Police Department
Greensboro Police Department
Greenville Police Department
Guilford Co. Sheriff's Office
Halifax Co. Sheriff's Office
Hertford Co. Sheriff's Office
Hickory Police Department
High Point Police Department
Holly Springs Police Department
Huntersville Police Department
Jacksonville Police Department
Jones Co. Sheriff's Office
Lenoir Co. Sheriff's Office
New Hanover Co. Sheriff's Office
Onslow Co. Sheriff's Office
Orange Co. Sheriff's Office
Pitt Co. Sheriff's Office
Raleigh Police Department
Randolph Co. Sheriff's Office
Rockingham Co. Sheriff's Office
Sampson Co. Sheriff's Office
Stanly Co. Sheriff's Office
Stokes Co. Sheriff's Office
Transylvania Co. Sheriff's Office
Union Co. Sheriff's Office
Wake Co. Sheriff's Office
Wilmington Police Department
Wilson Co. Sheriff's Office
Winston-Salem Police Department

New York

ACLU Affiliate Filed Requests

Westchester County District Attorney's Office
Westchester County Department of Public Safety
Westchester County Department of Probation
Ardsley Police Department
Bedford Police Department 
Briarcliff Manor Police Department
Bronxville Police Department
Croton-on-Hudson Police Department
Elmsford Police Department
Greenburgh Police Department
Harrison Police Department
Irvington Police Department
Village of Mamaroneck Police Department
Town of Mamaroneck Police Department
Mount Kisco Police Department
Mount Pleasant Police Department
Mount Vernon Police Department
New Rochelle Police Department
New Castle Police Department
Ossining Police Department
Peekskill Police Department
Pelham Police Department
Scarsdale Police Department
Sleepy Hollow Police Department
Yonkers Police Department
Yorktown Police Department
White Plains Police Department
Rockland County Sheriff's Office
Haverstraw Town Police Department
Orangetown Police Department
Spring Valley Police Department
Stony Point Police Department
Suffern Police Department
Dutchess County Sheriff's Office
Eastern Dutchess Government Center
Beacon Police Department
Fishkill Police Department
City of Poughkeepsie Police Department
Town of Poughkeepsie Police Department
Rhinebeck Police Department
Orange County Sheriff's Office
Orange County Probation Department
Blooming Grove Police Department
Town of Chester Police Department
Village of Chester Police Department
Town of Cornwall Police Department
Town of Crawford Police Department
Town of Deerpark Police Department
Village of Goshen Police Department
Town of Goshen Police Department
Village of Harriman Police Department
Village of Highland Falls Police Department
Middletown Police Department
Monroe Police Department
Montgomery Police Department
Mount Hope Police Department
City of Newburgh Police Department
Town of Newburgh Police Department
New Windsor Police Department
Port Jervis Police Department
Tuxedo Police Department
Walden Police Department
Warwick Police Department
Putnam County Sheriff's Department
Carmel Police Department
Kent Police Department
Ulster County Sheriff's Department
Kingston Police Department
Town of Lloyd Police Department
New Paltz Police Department
Saugerties Police Department
Shawangunk Police Department
Town of Ulster Police Department
Woodstock Police Department
Sullivan County Sheriff's Office
New York State Division of Criminal Justice Services
Buffalo Police Department
Cheektowaga Police Department
Nassau County Police Department
Nassau County Department of Purchasing
Nassau County Sheriff's Office
Nassau County Department of Public Works
Suffolk County Department of Public Works
Suffolk County Police Department

New Hampshire

States With Positive Laws Governing ALPR Use

New Mexico

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
Albuquerque Police Department
Bernalillo County Sheriff's Office
New Mexico State Police

ACLU of New Mexico Press Release

Nevada

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
Metro Las Vegas Police Department
Reno Police Department
Washoe County Sheriff's Department

Requests for information on ALPR funding filed in:
Office of Criminal Justice Assistance

Pennsylvania

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
City of Pittsburgh Police
Philadelphia Police Department
Pennsylvania State Police
Public Parking Authority of Pittsburgh
Philadelphia Parking Authority
Washington County Sheriff's Office
Peters Township Police Department
North Strabane Township Police Department
South Strabane Township Police Department
Cecil Township Police Department
Borough of Canonsburg Police Department
Monaca Borough Police Department
Baldwin Borough Police Department
Baldwin Township Police Department
Mount Lebanon Police Department
Wilkes Barre Police Department

Requests for information on ALPR funding filed in:
Port of Pittsburgh Commission
Pennsylvania Auto Theft Prevention Authority

South Carolina

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
City of Mount Pleasant
City of Columbia

Requests for information on ALPR funding filed in: 
South Carolina Department of Public Safety

Utah

ACLU Affiliates Have Filed Requests and Have Filed Requests Previously

Requests for information on ALPR implementation filed in:
Utah State Tax Commission

ACLU of Utah also filed requests previously in:
Utah Highway Patrol
Ogden City Police Department
Iron County Sheriff's Office

ACLU of Utah Press Release

Vermont

ACLU Affiliate Filed Requests

Requests for information on ALPR implementation filed in:
Town of Hartford
Vermont Depatment of Public Safety

Requests for information on ALPR funding filed in: 
Homeland Security Unit, Vermonth Department of Public Safety

ACLU of Vermont Press Release

Virginia

ACLU Affiliate Filed Requests

Fairfax County
Virginia Beach City
Prince William County
Chesterfield County
Loudoun County
Henrico County
Norfolk City
Chesapeake City
Arlington County
Richmond City
Harrisonburg City
Lynchburg City
Danville City
Bristol City
Warrenton City
Virginia State Police

ACLU of Virginia Press Release

Washington

ACLU Affiliate Has Filed Requests Previously

ACLU Affiliate Has Filed Requests Previously

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