• Arcosa received an MSHA section 107(a) order on July 14, 2026 at its Stavola Bound Brook Quarry in Bridgewater, New Jersey.
• The order followed a highwall material fall during drilling, prompting withdrawal of a track drill for a highwall integrity review.
• MSHA terminated the order shortly after inspection and consultation; the drill was relocated, normal operations resumed.
• No injuries were reported.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Arcosa Inc. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001739445-26-000120), on July 15, 2026, and is solely responsible for the information contained therein.