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HB 593

School Transportation - As introduced, extends the use of service of a conventional and Class D school bus from 200,000 miles to 230,000 miles. - Amends TCA Title 49, Chapter 6 and Title 55.

114th Regular Session (2025-2026) Introduced by Clay Doggett

Tennessee bill extends school bus service life from 200,000 to 230,000 miles, delaying fleet replacement to reduce capital costs while potentially increasing maintenance expenses and safety concerns.

Def. to Summer Study in Transportation Subcommittee
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Bill Summary · HB 593

Legislative bill overview

HB 593 extends the maximum service life of conventional and Class D school buses in Tennessee from 200,000 miles to 230,000 miles before they must be retired from service. The bill amends Tennessee Code Annotated sections governing school transportation to allow districts to operate these vehicles for an additional 30,000 miles.

Why is this important

School transportation represents a significant operational expense for districts, and extending vehicle service life can reduce capital costs for fleet replacement. However, older buses may face increased maintenance costs, reliability issues, and potential safety or emissions concerns that directly affect student transportation and district budgets.

Potential points of contention

  • Safety standards: Older buses with higher mileage may have increased breakdown risk, longer repair times, and potentially outdated safety features compared to newer models
  • Maintenance costs: The financial trade-off between delaying replacement purchases and rising repair expenses on aging vehicles is unclear and may vary significantly by district
  • Environmental and emissions compliance: Buses operating 200,000+ miles may have difficulty meeting current emissions standards and fuel efficiency requirements, affecting air quality and operating costs

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

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