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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Learn more about work zone safety

Slow down – lives are on the line.

Excessive speed was a top cause of work zone collisions in 2024.

Phone down, eyes up.

Work zones need our undivided attention.

It's in EVERYONE’S best interest.

96% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.