0001739445 2026-10-23 2026-10-23 false --12-31 0001739445 NYSE NYSE 8-K 2026-10-23 Arcosa, Inc. DE 1-38494 82-5339416 500 N. Akard Street Suite 400 Dallas TX 75201 972 942-6500 false false false false Common Stock ($0.01 par value) ACA Common Stock ($0.01 par value) ACA false