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SB 1999

TRANSPORTATION-VARIOUS

104th Regular Session Introduced by Jaime Andrade and 11 co-sponsors

Requires IDOT to perform life-cycle cost analyses on state road projects over $500,000 and select the construction option with the lowest long-term cost, shaping pavement choices.

Public Act . . . . . . . . . 104-0404
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Bill Summary · SB 1999

SB 1999 — TRANSPORTATION‑VARIOUS (Public Act 104‑0404)

Status: Enacted as Public Act 104‑0404 (Governor approved Aug 15, 2025). Effective date: Aug 15, 2025, except specified Vehicle Code changes effective Jan 1, 2027.

Purpose / Intent

SB 1999 makes targeted changes across Illinois transportation statutes to (1) require life‑cycle cost analysis for certain pavement projects, (2) add/clarify consumer‑protection and air‑quality procedures tied to municipal Residential Sound Insulation Programs (RSIP) near airports, and (3) update crash report electronic submission requirements.

Key provisions

  1. Life‑cycle cost analysis for state paving projects (20 ILCS 2705/2705‑590)
  2. The Illinois Department of Transportation (IDOT) must develop and implement a life‑cycle cost analysis for each state new construction, reconstruction, or replacement road project under its jurisdiction when total pavement costs exceed $500,000 and are funded in whole or in part with State or State‑appropriated funds.
  3. State rehabilitation and preservation projects are exempt.
  4. IDOT must design and award paving projects using the material option with the lowest life‑cycle cost (actual historic data to be used where available). When options are substantially equivalent on life‑cycle cost, IDOT may consider other criteria.
  5. IDOT may, at its discretion, exempt interstate highways with high traffic volumes or experimental projects.

  6. If Illinois lacks comparable historic data, IDOT may use actual historical data from other states with similar climate/soil/traffic.

  7. RSIP air quality, odor replacement, and advisory committee changes (65 ILCS 5/11‑101‑3)

  8. Municipalities that implemented RSIPs must perform indoor air quality monitoring and laboratory analysis of RSIP‑installed windows/doors to identify adverse health impacts from off‑gassing; reports must be posted on the municipality’s website.

  9. Municipalities must develop science‑based mitigation plans and, if homeowners follow a prescribed notification/inspection process, replace windows/doors in homes where one or more items cause offensive odors.

  10. Subject to appropriation, municipalities must replace windows/doors in at least 750 residences per year.

  11. Residents who modified replacement windows/screens are not disqualified from future replacement/compensation.

  12. Municipalities must offer in‑home air testing for replaced homes (annual testing limited to 25% of prior year replacements).

  13. An advisory committee (members appointed by legislative leaders, municipal representatives, and 2 residents of affected homes) will identify odorous homes and prioritize replacements. The bill clarifies that the Aeronautics Division employee on the committee only votes to break ties.

  14. The committee must include procedures for “extreme hardship” (e.g., liquid infiltration, health conditions, smell sensitivities) and ensure at least 10% of yearly replacements address such hardship.

  15. Crash report electronic submission (625 ILCS 5/11‑411)

  16. All crash reports required in writing must be electronically submitted to the Administrator using an electronic format approved by the Administrator (phrasing updated). These Vehicle Code changes take effect Jan 1, 2027.

Who is affected

  • IDOT (project design, procurement, data collection, and project awards)
  • Contractors and pavement material suppliers (selection driven by life‑cycle costs)
  • Municipalities with RSIPs (notably Chicago area municipalities), homeowners who received RSIP windows/doors, and window/door manufacturers/suppliers
  • Advisory committee appointees and public health/air‑quality contractors
  • Law enforcement agencies and others who file crash reports (must use approved electronic format by 2027)

Procedural / timeline notes

  • Introduced Feb 6, 2025 (Sen. Mike Porfirio). Passed both houses (May 2025). Sent to governor June 27, 2025. Governor approved Aug 15, 2025. Enacted as Public Act 104‑0404.
  • Effective: Aug 15, 2025 (general); Vehicle Code electronic submission provision effective Jan 1, 2027.

Potential impacts

  • Encourages longer‑term cost‑efficient pavement choices; could shift procurement toward materials with higher upfront cost but lower maintenance over pavement life.
  • Provides repeatable process and minimum replacement targets for residents affected by odorous RSIP windows/doors, and increases municipal air‑quality oversight.
  • Formalizes electronic crash reporting expectations with a future compliance date (2027).

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

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