Marine mammals

Learn how to consider potential impacts on marine mammals if your project involves marine waters, as well as the Columbia River up to Bonneville Dam.

Consider potential impacts of construction and operation on marine mammals for all projects involving marine waters, as well as the Columbia River up to Bonneville Dam.

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.