The Oregon Department of Transportation has begun designing a project that will improve the Marine Derive/257th Avenue interchange on Interstate 84 in Troutdale at exit 17. Construction is expected to start in spring of 2014.
The project will include:
Widening of Marine Drive between the two frontage roads to allow for two-way traffic. so vehicles exiting I-84 eastbound can turn directly on to Marine Drive instead of traveling all the way around on the frontage roads.
Replace the existing I-84 overpass bridges at Marine Drive with a new bridge that is longer to accommodate the widening of Marine Drive and to allow for the passage of taller vehicles (up to 17 fee, 4 inches)
The two Marine Drive intersections at the frontage roads also will be improved to meet current design standards. The existing fee-flow right turn lane from the north Frontage Road onto Marine Drive will be moved closer to the intersection to increase drivers' visibility as they first yield and then merge with the new northbound traffic on Marine Drive. Drivers on the north Frontage Road will also be given more space to merge into their desired lane.
Provide a longer left turn lane on the north Frontage Road for vehicles turning south onto Marine Drive.
Add bike lanes in both directions on Marine Drive under I-84
Add sidewalk on the west side of Marine Drive under I-84
These improvements will enhance operations and safety at this interchange and help improve freight access between I-84 and the industrial properties to the north namely Troutdale Reynolds Industrial Park (TRIP).
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| Exit 17 before the third lane was added. The new Marine Drive improvements are to the right of this photograph. |
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| Adding the third lane has eliminated the stacking on the freeway that was common with this exit. |
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There is no more stacking on the freeway as a result
of this improvement.
This is Marine Drive heading south. It will be changed to
allow two-way traffic as you exit the freeway at exit 17.
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