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Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2025

Share-Based Payment Arrangement [Abstract]

Schedule of restricted stock activity

The activity for equity awards held by Arcosa employees for the year ended December 31, 2025 was as follows:

			Arcosa Equity Awards Held by Arcosa Employees						Trinity Equity Awards Held by Arcosa Employees						Weighted Average Grant-Date Fair Value per Award
Equity awards outstanding at December 31, 2024			768,088						203,877						$	52.37
Granted			375,342						—						82.35
Vested			(423,747)						(22,380)						58.20
Forfeited			(21,858)						(3,657)						67.22
Equity awards outstanding at December 31, 2025			697,825						177,840						$	63.95

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- References

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- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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