Wake County, NC

This 19-mile, $1 billion project is the largest single transportation infrastructure project and the first state toll road in North Carolina, and CALYX played an integral part in its completion. In just 18 months, CALYX prepared the environmental documents—a process that typically requires seven years to complete. We prepared roadway designs for the 3.4-mile Triangle Parkway portion, construction engineering inspection quality assurance for the entire Expressway and survey services. This project showcases our multidisciplinary capabilities to efficiently take a project from the planning stage through construction, with a very aggressive schedule using our planners, biologists, roadway engineers, structure engineers and hydraulic engineers. CALYX also led the public involvement effort of more than 30 meetings with stakeholders and community groups.


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