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Seward & 36th Improvements

Welcome to the Seward Highway: 36th Avenue Intersection Improvements project website. The Alaska Department of Transportation and Public Facilities (DOT&PF) is developing preliminary engineering, environmental analysis, and permitting for future improvements at the intersection of 36th Avenue and the Seward Highway.

The Seward and 36th project is on hold.

DOT&PF is currently working with the Municipality of Anchorage to see if the project may be eligible for federal funds based on the MOA’s priority project list and limited State funding.

Two related projects are planned for 2015:

Project staff will be using the former Northrim Bank building on 36th Avenue at the Seward Highway as a field office during construction.

Project Overview

The Seward Highway: 36th Avenue Intersection Improvements Project (Seward and 36th Improvements) will redesign the Seward Highway between Tudor Road and approximately 33rd Avenue, and will develop a new interchange at Seward and 36th to reduce congestion and reduce vehicle crashes. The project area, about 1.5 miles in length, is located between 33rd Avenue and Tudor Road. Improvements may include grade separations, highway ramps, frontage roads and project phasing alternatives.

Project Area Map

The existing intersection of Seward Highway and 36th Avenue serves many travelers going to and from destinations in Midtown and the U-Med District and is the first stoplight on the Seward Highway when entering Anchorage from the South. The intersection is often congested during rush hour. The Seward and 36th Improvements project will improve traffic flow, reduce travel times, and reduce crash rates.

Project Goals

  • Improve traffic flow in Midtown and on the Seward Highway
  • Shorten travel times to and from Midtown and U-Med
  • Improve safety by reducing crash rates
  • Improve safety and travel for bicycles and pedestrians
  • Provide consistency with AMATS 2035 MTP

Scope of the Project

In late 2012, the Department of Transportation and Public Facilities (DOT&PF) began preliminary engineering design, public involvement, and environmental analysis for the Seward and 36th Improvements Project. In preliminary engineering design, the project team will develop alternatives for analysis. At a minimum, the alternatives analyzed shall include a no-build alternative (i.e., doing nothing) and a build alternative (i.e., construct improvements). Based on analysis, the DOT&PF selected the Hybrid Single Point Urban Interchange (SPUI) as its preferred alternative. The alternative has been developed to a 30% design level. Future project phases will complete engineering, permitting, and construction.

Project Cost

The Seward Highway: 36th Avenue Intersection Improvements Project is estimated to cost $50-70 million. Cost estimates will be further defined as design progresses and more detail is developed.

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