UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-Q (Mark One) þ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED MARCH 31, 2019 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _________ to _________ . Commission File Number 1-38494 Arcosa, Inc. (Exact name of registrant as specified in its charter) Delaware 82-5339416 (State or Othe ...

Arcosa, Inc. (NYSE:ACA) Q4 2018 Earnings Conference Call February 28, 2019 8:30 AM ET Company Participants Gail Peck – Senior Vice President-Finance and Treasurer Antonio Carrillo – President and Chief Executive Officer Scott Beasley – Chief Financial Officer Conference Call Participants Craig Bibb – CJS Securities Bascome Majors – Susquehanna Brent Thielman – D.A. Davidson Justin Bergner – G. Research Operator Good morning, ladies and gentlemen, and welcome to the Arcosa, Inc. Fourth Quarter and Full Year ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) þ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ¨ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 1-38494 Arcosa, Inc. (Exact name of registrant as specified in its charter) | --- | --- | --- | |----------------------------------------------------------------|-------|- ...