Cemex's Lyons Cement Plant in Colorado Approved to Continue Operations in 2026
2026-05-22 15:44
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en.Wedoany.com Reported - Cemex has regained approval to continue operating its cement plant east of Lyons, Colorado, USA, after Boulder County reversed its earlier decision to terminate the plant's operating rights.

In April 2024, the plant received a letter terminating its operating rights, citing a traffic study that showed increased traffic volumes creating hazards and an expanded scope of use for the plant alongside a regional highway. Dale Case, Director of Boulder County Community Planning & Permitting, stated at the time that under the county's land use regulations, Cemex was not permitted to expand and was therefore directed to cease operations. Cemex appealed the decision and was allowed to continue production pending a final ruling.

On May 19, 2026, Dale Case stated that Cemex "provided satisfactory evidence that the termination decision was in error. Specifically, the evidence showed that truck traffic entering and exiting the property has not significantly increased compared to 1994 traffic data, since the closure of the Dowe Flats Quarry." A press release noted that the 2024 decision was based on the best information available to Case at the time.

Cemex has consistently argued that Boulder County should not have relied on the traffic study required by the Colorado Department of Transportation, stating that the study did not include historical traffic levels and used only a single day's recent data. In its response, Cemex stated: "The department's reliance on data from a single, random day out of the plant's fifty years of operation was arbitrary and capricious, especially when compared to the contrary conclusions drawn from a more comprehensive historical assessment."

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