INDOT reports $46M average per centerline mile in FY2026 as interstate construction costs climb

Indiana Capital Chronicle reported that, in a late‑August State Budget Committee meeting, INDOT shared a slide showing the state spent an average of $46 million to construct a centerline mile of interstate in the 2026 state fiscal year (which ended in June). The 2026 average included the Revive I‑70 project in Wayne County and the Safer Drive 65 work in Scott and Clark counties.

The article says state officials and industry sources attributed higher costs to inflation, pandemic and supply‑chain disruptions, sharp increases in steel, concrete and asphalt prices, a shift from resurfacing to larger capital projects (often near metropolitan areas), and complex maintenance‑of‑traffic setups; INDOT noted it bundles contracts, uses alternative delivery and maintains 20‑year asset plans to manage risk.

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