Construction

Find information on construction materials and construction guidance.

Construction materials

Find approved construction materials, submit new materials for approval, or review our materials evaluation and tracking programs.

Construction guidance

Find information needed to ensure compliance during the construction of a project.

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April is work zone safety awareness month - learn more

1,557 work zone-related crashes

were recorded on state highways in 2025.

542 people were injured

in 2025 due to work zone-related crashes. 

29% increase in fatality collisions

in work zones from 2024 to 2025.