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Bill

HB 1375

Vehicle Equipment - Portable Variable Messaging Signs - Authorization

2025 Regular Session Introduced by Jackie Addison and 4 co-sponsors

Maryland authorizes portable variable messaging signs on vehicles, enabling mobile electronic displays for emergency alerts and public communications through new equipment regulations.

Approved by the Governor - Chapter 459
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Bill Summary · HB 1375

Legislative bill overview

HB 1375 authorizes the use of portable variable messaging signs on vehicles in Maryland. These are electronic displays that can change their messages and are mounted on vehicles rather than being permanently installed infrastructure. The bill became law in May 2025 after passing through the legislature and receiving gubernatorial approval.

Why is this important

This legislation impacts how information can be displayed during emergencies, events, and public notifications by allowing more flexible, mobile communication tools. It expands Maryland's vehicle equipment regulations to accommodate modern electronic signage technology that was previously unauthorized or unregulated in the state.

Potential points of contention

  • Driver distraction concerns: Variable messaging signs on roadways could distract drivers or create visual clutter, raising traffic safety questions that weren't addressed in available legislative documents
  • Advertising regulation: The bill's scope regarding commercial versus non-commercial use of these signs is unclear, potentially opening pathways for mobile advertising that some jurisdictions restrict
  • Technical standards absent: No information is available about mandated brightness, refresh rates, or content restrictions, leaving enforcement and safety parameters undefined in public records

Compiled from official sources — confirm details with the bill’s official record.

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