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HB 545

Motor Vehicles Using the Furthermost Left-hand Lane

2025 Regular Session Introduced by Jenna Persons-Mulicka

Florida bill restricting leftmost highway lanes to passing vehicles died in subcommittee; aimed to improve traffic flow but faced enforcement and compliance concerns.

Died in Government Operations Subcommittee
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Bill Summary · HB 545

Legislative bill overview

HB 545 would restrict the use of the leftmost lane on multi-lane highways in Florida to passing vehicles only, requiring slower-moving traffic to stay in right lanes. The bill died in subcommittee in June 2025 after being indefinitely postponed in May, never advancing to a full floor vote.

Why is this important

"Keep right except to pass" laws aim to improve highway traffic flow and reduce congestion by preventing slower vehicles from occupying passing lanes. Such restrictions could theoretically reduce accidents by discouraging dangerous weaving and maintaining more consistent traffic patterns, though enforcement and driver compliance remain significant challenges.

Potential points of contention

  • Enforcement challenges: Police would need resources to cite left-lane violations, raising questions about equitable enforcement and whether this diverts officers from more serious traffic violations
  • Definition ambiguity: The bill may lack clear definitions of what constitutes "passing" or appropriate speed thresholds, creating confusion about when drivers can legally use the left lane
  • Driver behavior: Studies show mixed results on whether such laws actually improve safety or flow; many drivers ignore them, and aggressive enforcement could increase confrontations between motorists

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

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