Encrypted State Agencies
41 state agencies across the United States have encrypted their radio communications, blocking public access to critical safety information.
About State Agencies
State-level law enforcement agencies including state police, highway patrol, and investigative bureaus.
Impact of Encryption
State agencies cover major highways and provide backup to local departments. Encryption removes transparency from high-profile incidents and interstate activities.
Affected Stakeholders
- Interstate truckers
- Travel media
- Highway safety advocates
- State legislators
States with Most Encrypted State Agencies
Encryption Technologies Used
All Encrypted State Agencies
Browse all 41 state agencies that have encrypted their communications.
| Agency | State | County | Encryption | Scope |
|---|---|---|---|---|
| Berks County Department of Emergency Services | PA | Berks | P25 AES-256 | Partially Encrypted |
| Montgomery County Department of Public Safety | PA | Montgomery | P25 AES-256 | Fully Encrypted |
| New Jersey Department of Banking & Insurance | NJ | Statewide | P25 AES-256 | Specific Channels |
| New Jersey Department of Environmental Protection | NJ | Statewide | P25 AES-256 | Partially Encrypted |
| Department of Homeland Security | MI | Statewide | P25 AES-256 | Fully Encrypted |
| Florida Department of Law Enforcement | FL | Statewide | ProVoice DES | Fully Encrypted |
| Florida Highway Patrol | FL | Statewide | ProVoice DES | Fully Encrypted |
| Illinois Department of Public Health | IL | Stateside | P25 AES-256 | Partially Encrypted |
| Colorado State Patrol | CO | Statewide | P25 AES-256 | Partially Encrypted |
| Longmont Department of Public Safety | CO | Boulder/Weld | P25 AES-256 | Partially Encrypted |
| Orange County Department of Emergency Services | NY | Orange | P25 AES-256 | Specific Channels |
| North Carolina Highway Patrol | NC | Staetwide | P25 AES-256 | Partially Encrypted |
| Tennessee Highway Patrol | TN | Statewide | P25 ADP | Partially Encrypted |
| Tennessee Highway Patrol - Capitol Protection Unit | TN | Statewide | P25 ADP | Fully Encrypted |
| United States Department of Agriculture | LA | Parishwide | P25 AES-256 | Fully Encrypted |
| Virginia Department of Wildlife Resources | VA | Statewide | P25 AES-256 | Partially Encrypted |
| South Carolina Department of Natural Resources | SC | Statewide | P25 AES-256 | Partially Encrypted |
| South Carolina Highway Patrol | SC | Statewide | P25 AES-256 | Specific Channels |
| Nebraska Department of Health and Human Services | NE | Statewide | P25 AES-256 | Partially Encrypted |
| Nebraska State Patrol | NE | Statewide | P25 AES-256 | Partially Encrypted |
| Mississippi Department of Wildlife, Fisheries & Parks | MS | Statewide | P25 AES-256 | Tactical Only |
| Mississippi Highway Patrol | MS | Statewide | P25 AES-256 | Fully Encrypted |
| Department of Emergency Management and Homeland Security | CT | Statewide | P25 AES-256 | Specific Channels |
| Department of Emergency Services and Public Protection | CT | Statewide | P25 AES-256 | Partially Encrypted |
| Department of Energy and Environmental Protection | CT | Statewide | P25 AES-256 | Partially Encrypted |
| Department of Motor Vehicles | CT | Statewide | P25 AES-256 | Partially Encrypted |
| North Dakota Highway Patrol | ND | Statewide | P25 DES-OFB | Fully Encrypted |
| Oklahoma Highway Patrol | OK | Statewide | P25 AES-256 | Partially Encrypted |
| Alaska State Troopers | AK | Borough wide | P25 AES-256 | Fully Encrypted |
| Department of Homeland Security Investigations | AK | Borough Wide | P25 AES-256 | Fully Encrypted |
| Maryland Department of Health and Metal Hygiene | MD | Statewide | P25 AES-256 | Partially Encrypted |
| Maryland Department of Information Technology | MD | Statewide | P25 AES-256 | Specific Channels |
| Maryland Department of Natural Resources | MD | Statewide | P25 AES-256 | Tactical Only |
| Maryland Department of Public Safety and Correctional Services | MD | Statewide | P25 AES | Partially Encrypted |
| Wyoming Highway Patrol | WY | Statewide | P25 AES-256 | Fully Encrypted |
| Honolulu Department of Environmental Management | HI | Honolulu | P25 AES-256 | Fully Encrypted |
| Department of Inland Fisheries and Wildlife | ME | Statewide | P25 AES-256 | Fully Encrypted |
| South Dakota Highway Patrol | SD | Statwide | P25 DES-OFB | Tactical Only |
| Wisconsin Department of Health | WI | Statewide | P25 DES-OFB | Fully Encrypted |
| Wisconsin Department of Natural Resources | WI | Statewide | P25 DES-OFB | Partially Encrypted |
| United States Department of Defense | GU | Statewide | P25 AES-256 | Fully Encrypted |
Frequently Asked Questions
How many state agencies have encrypted their radios?
41 state agencies across 25 states are documented as encrypted: 15 fully encrypted and 26 with partial encryption.
Which state has the most encrypted state agencies?
Connecticut leads with 4 encrypted state agencies, out of 41 tracked nationwide.
What encryption technology do most state agencies use?
P25 AES-256 is the most common, used by 32 of the 41 encrypted state agencies tracked here (78%).
Why does encrypting state agency radio matter?
State agencies cover major highways and provide backup to local departments. Encryption removes transparency from high-profile incidents and interstate activities. Stakeholders most affected include interstate truckers, travel media, highway safety advocates, state legislators.
What can I do if my local state agency is encrypted?
Encryption is a policy choice made by department or elected leadership, not a technical requirement — it can be revisited. File a public-records request for the encryption decision, raise it at a city council or county commission meeting, and connect with others who rely on scanner access in your area.
Take Action for Transparency
Your voice matters. Here are concrete ways to advocate for open police communications in your community.
Contact Your Representatives
Use our templates to email your local officials about police radio encryption policies.
Get StartedRead Case Studies
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Public Testimony
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