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HB 4132

Traffic control: speed restrictions; use of automated traffic enforcement devices in work zones to enforce speed limit reductions; allow. Amends secs. 79d, 907 & 909 of 1949 PA 300 (MCL 257.79d et seq.) & adds secs. 2c, 627c & 907a. TIE BAR WITH: HB 4133'23

2023-2024 Regular Session Introduced by Mike Mueller and 1 co-sponsor

Michigan now allows speed cameras in highway work zones to automatically ticket speeding drivers, aiming to reduce work zone crashes without police presence.

assigned PA 164'24
#construction:safety #trafficcontrol:speedrestrictions #trafficcontrol:trafficregulation
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Bill Summary · HB 4132

Legislative bill overview

HB 4132 authorizes Michigan to use automated traffic enforcement devices (speed cameras) in work zones to enforce reduced speed limits. The bill amends Michigan's vehicle code to establish the legal framework, requirements, and procedures for deploying these cameras in construction and maintenance areas on state roads.

Why is this important

Work zone crashes cause significant injuries and fatalities, and speed is a major contributing factor. This bill gives Michigan a new enforcement tool to deter speeding in these high-risk areas without requiring police presence. The law took effect immediately upon the Governor's signature in December 2024.

Potential points of contention

  • Privacy and surveillance concerns: Automated cameras create continuous recording and documentation of driver behavior, raising questions about data storage, public access, and scope creep to non-work zones
  • Revenue generation vs. safety: Critics may argue the state has financial incentive to maximize citations rather than genuinely reduce speeds, particularly if camera placement prioritizes revenue over crash prevention
  • Due process and accuracy: Automated systems can malfunction or misread conditions; drivers have limited ability to contest citations compared to traditional traffic stops, and accountability for errors is unclear

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

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