Harris County Transit Authority
Harris, Texas
How we verified this
As of August 2026 the "Metropolitan Transit Authority of Harris County" category on RadioReference's TxWARN page lists four encrypted police talkgroups — "4048 D Enc MetroPD2 Sec Police 2 Secure", "565 D Enc MetroPD ATU Police Anti-Terrorism Unit", "755 D Enc MetroPDInves Police Investigators" and "393 D Enc MetroPD SORT Special Operations Response Team" — while "935 D MetroPD1Disp Police 1 Dispatch", flagged as carried on a live feed, and the transit police tactical and supervisor talkgroups remain in the clear.
Encryption Details
Harris County Context
Harris County is a mixed picture: 11 of 29 agencies we track here are fully encrypted (38%), which means some neighboring departments are still audible on a scanner.
See every agency we track in Harris County → County encryption overview →
What This Means
A subset of this department's talkgroups are encrypted rather than the whole system. Everything outside that subset may still be audible.
Frequently Asked Questions
Is Harris County Transit Authority radio encrypted?
Yes — Harris County Transit Authority's radio system runs on P25 AES-256 encryption. A subset of this department's talkgroups are encrypted rather than the whole system. Everything outside that subset may still be audible.
Can I listen to Harris County Transit Authority on a police scanner?
Partially. Harris County Transit Authority encrypts specific talkgroups rather than the whole system, so some channels may still be accessible. Check RadioReference for specific talkgroup status.
Why did Harris County Transit Authority encrypt their radio?
Departments typically point to officer safety and operational security. Neither claim tends to come with evidence specific to Harris County; what's verifiable is what's lost — journalists can't monitor transit authority activity in real time, and coordination with agencies that stay unencrypted gets harder.
Can Harris County reverse the encryption decision?
Yes. Whoever made this call for Harris County Transit Authority can also unmake it; there's no technical lock-in. The approach that has worked elsewhere combines public-records requests, direct council pressure, and a coordinated local coalition.
What can I do about Harris County Transit Authority encryption?
Ask for the paperwork first — the policy that authorised encryption for Harris County Transit Authority, and the recordings themselves — because a specific request is harder to wave away than a general complaint. Then take what you learn to a council meeting, and bring others from Harris County with you.