About
Automated License Plate Readers (ALPR) are a system of cameras and computer software that captures images of license plates and converts the plate numbers into searchable data. Under Maryland law, ALPR technology may only be used for authorized law enforcement purposes, and its use is governed by strict legal requirements designed to protect privacy and prevent misuse.
FAQs
The Howard County Police Department currently operates 27 ALPR cameras throughout the county. The HCPD began using ALPRs in 2011.
No. The department does not use Flock Safety cameras. The Howard County Police Department utilizes ALPR technology that is managed by the department and operated in accordance with Maryland law and departmental policy.
ALPR cameras are installed in publicly accessible locations based on public safety factors, including:
• Crime trends and analysis
• Major roadways and common travel routes
• Vehicle ingress and egress points
• Traffic volume
• Investigative and operational needs
Camera locations are selected to support law enforcement efforts while complying with Maryland law and departmental policy.
The Howard County Police Department uses ALPR technology to assist with legitimate law enforcement activities and enhance public safety. ALPR systems can help investigators:
• Locate stolen vehicles
• Identify vehicles associated with criminal investigations
• Locate wanted or missing persons
• Generate investigative leads
• Support time-sensitive public safety incidents
When an ALPR camera captures a license plate, it records the plate number along with a photograph of the vehicle and the date, time, and location of the scan.
The department does not use ALPR technology to monitor individuals based on their activities, beliefs, or associations. All use of the system must comply with Maryland law and department policy.
Protecting the privacy and security of ALPR data is a top priority. The Howard County Police Department has strict safeguards in place, including:
• Access limited to authorized, trained personnel
• Routine audits to ensure compliance with department policy and Maryland law
• Criminal justice purposes only
• Annual reporting requirements to the Maryland General Assembly
Under Maryland law, all ALPR data collected by the department remains the property of the Howard County Police Department. Neither the department nor its technology vendors may sell the data. Vendors are prohibited from accessing ALPR data without the department's express authorization, and violations of Maryland law may result in criminal penalties.
ALPR data is retained for no more than one year. After one year, the data is automatically deleted unless it has been preserved as evidence in an active criminal investigation or legal proceeding, as permitted by law.