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HB 1139

Motor Vehicles - Intelligent Speed Assistance System Pilot Program - Establishment

2025 Regular Session Introduced by Nick Allen

Maryland creates pilot program to test intelligent speed assistance systems that automatically alert and limit vehicles when exceeding posted speed limits to reduce traffic crashes.

Hearing 2/20 at 1:00 p.m.
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WeVote Research Nonpartisan
Bill Summary · HB 1139

Legislative bill overview

HB 1139 establishes a pilot program in Maryland to test intelligent speed assistance (ISA) systems in motor vehicles. These systems automatically monitor speed limits and alert or limit vehicle acceleration when approaching or exceeding posted speed restrictions. The bill authorizes the state to evaluate the technology's effectiveness in reducing traffic violations and improving road safety.

Why is this important

Speed-related crashes cause thousands of deaths annually, and this pilot could provide data on whether ISA technology meaningfully reduces dangerous driving behavior. If successful, findings could inform future vehicle safety regulations and insurance practices, potentially influencing how automakers design vehicles sold in Maryland.

Potential points of contention

  • Driver autonomy concerns: Opponents may argue that automatic speed limiting infringes on driver control and decision-making, particularly in situations where exceeding the posted limit might be necessary for safety
  • Technology accuracy disputes: Questions about whether the system correctly reads speed limit signs, handles variable speed zones, and functions reliably in poor weather or in areas with outdated signage
  • Cost and equity issues: Implementation expenses and whether the pilot adequately represents diverse communities, vehicle types, and driving conditions across Maryland's urban and rural areas

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

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