Illinois State Police Face Lengthy Vehicle Replacement Timeline

Funding shortfalls mean it will take 18 years to replace over 1,000 aging patrol cars

Apr. 4, 2026 at 7:11pm

The Illinois State Police (ISP) is facing a significant vehicle replacement backlog, with over 1,000 cars in its 2,700-vehicle fleet reaching the end of their recommended lifespan. However, due to funding constraints, the agency estimates it will take 18 years to fully replace the aging fleet, leaving officers driving vehicles with hundreds of thousands of miles and outdated safety features.

Why it matters

The aging ISP fleet poses safety risks for officers and the public, as older vehicles are more prone to mechanical issues and lack modern safety technologies. The funding shortfall also highlights the challenges state agencies face in maintaining critical infrastructure and equipment, which can impact public services and emergency response capabilities.

The details

The Illinois Department of Central Management Services recommends that ISP vehicles be replaced every 8 years or 150,000 miles, but the agency's current funding mechanism is not keeping up with the pace of replacement. While lawmakers have appropriated $30 million annually for vehicle replacement since fiscal year 2024, the actual revenue flowing into the State Police Vehicle Fund is only about a third of that amount or less. This is due to the fund's main revenue source, a $1 fee on license plates enacted in 2008, which has not kept up with the rising costs of new police vehicles, which now average $120,000 each.

  • In fiscal year 2025, ISP had $30 million in spending authority but only spent about $7 million due to the slower revenue pace of the State Police Vehicle Fund.
  • Beginning in spring 2026, 10% of an insurance underwriting fee paid by car insurance providers will be devoted to the State Police Vehicle Fund, which could increase its balance by a few million dollars.

The players

Brenden Kelly

Illinois State Police Director

Seth Lewis

Republican state senator and member of the Senate's public safety appropriations committee

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What they’re saying

“At this rate, with this funding mechanism we have, it will take about 18 years to replace our fleet.”

— Brenden Kelly, Illinois State Police Director

“We are spending close to $56 billion; if we could come up with 20, 30 million to keep our officers safe, I want to work on that.”

— Seth Lewis, Republican state senator

What’s next

Senator Lewis indicated he is open to exploring options to increase the portion of vehicle registration fees that go towards the State Police Vehicle Fund, which could help accelerate the replacement of the aging fleet.

The takeaway

The funding shortfall for the Illinois State Police's vehicle replacement program highlights the broader challenge state agencies face in maintaining critical infrastructure and equipment, which can impact public safety and emergency response capabilities. Addressing this issue will likely require a multi-faceted approach, including exploring new revenue sources and reevaluating funding priorities.