Specifications include, but are not limited to: prepare an inventory by evaluating existing guardrail segments, end terminals, and associated hardware along several high speed routes in Central Region, Alaska ; results of the inventory shall be used to design and construct installation or updates to guardrail segments found to be in non-conformance with State and Federal standards. Services are anticipated to include: environmental activities, surveying, field investigation and data collection, design study report, public involvement, erosion and sediment control plan, plans, specifications, and estimate (PS&E), assistance during bidding, assistance with design project close out, and assistance during construction.