Indiana interstate construction averaged $46M per centerline mile in FY2026, INDOT says
Indiana Capital Chronicle reported Indiana spent an average of $46 million to build a centerline mile of interstate in the 2026 state fiscal year (ended June), up nearly 450% from $8.4 million in fiscal 2015. INDOT officials cited inflation, higher material costs and complex projects such as Revive I-70 and Safer Drive 65.
Indiana Capital Chronicle reported Indiana’s average cost to construct a centerline mile of interstate was $46 million in the 2026 state fiscal year (ended June), a jump from $8.4 million in fiscal 2015. INDOT told the paper the FY2026 average reflected inflation and higher material prices, supply-chain strains, competition for concrete and steel, and two complicated projects — Revive I-70 (Wayne County) and Safer Drive 65 (Scott and Clark counties).
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