List of unused highways in Oregon

An unused highway may include a highway or highway ramp that was partially or fully constructed but unused.^{[1][2][3][4][5][6][7][8][9]} or later closed.^[10][11][12] An unused ramp can be referred to as a stub ramp,^[13] stub street,^[2][14][15] stub-out,^[2] or simply stub.^[16][17] The following is a list:

Oregon

Portland

• Just before the northeast end of the Marquam Bridge are two stubs for the canceled Mount Hood Freeway. Additional ramp stubs to this canceled freeway were removed when Interstate 5 (which is carried on the Marquam Bridge) was widened.^{[18][19][20][21]} 45°30′45″N 122°40′03″W / 45.512441°N 122.667404°W / 45.512441; -122.667404

• 

  The Grand Avenue Viaduct stub ramp
  On the Grand Avenue Viaduct (Oregon Route 99E) is a ramp stub that was to connect to the Mount Hood Freeway which is viewable at 45°30′27″N 122°39′41″W / 45.507416°N 122.661452°W / 45.507416; -122.661452. A construction project is underway to replace this viaduct; this project will likely involve removal of any ramp stubs.^[22][23]
• The western end of the Hawthorne Bridge used to connect to the Harbor Drive freeway, which has been torn down. A former cloverleaf ramp in the northeast quadrant (seen in operation here) is now a stub ramp.^[24] Also visible is another ramp connecting the bridge to Naito Parkway and is now used as a pedestrian and bike path connecting the bridge to Tom McCall Waterfront Park. 45°30′51″N 122°40′28″W / 45.514246°N 122.674327°W / 45.514246; -122.674327
• The Front Avenue overpass over Interstate 405 is wider than it needs to be. Back when U.S. Route 26 was routed north of its current alignment, it was signed on this bridge until 1957. It was here that ramps allowed access to Harbor Drive.^[25] 45°30′21″N 122°40′40″W / 45.505867°N 122.677771°W / 45.505867; -122.677771
• On the west end of the Steel Bridge was a ramp that connected southbound Oregon Route 99W traffic from the bridge to NW 1st Avenue. When Metropolitan Area Express (MAX) Light Rail was added to the bridge between 1984 and 1986, this ramp was closed to traffic and used exclusively for both directions of MAX trains. The ramp as a road is shown on this map. One can also see the rail lines on the bridge here 45°31′33″N 122°40′18″W / 45.525744°N 122.671687°W / 45.525744; -122.671687
• On the ramp from Interstate 5 southbound to Interstate 84 eastbound is a ramp stub, the remnants of a closed and demolished ramp from the Steel Bridge. Another stub exists on I-84 west to I-5 north.^[22] 45°31′36″N 122°39′54″W / 45.526558°N 122.664982°W / 45.526558; -122.664982
• On the Interstate 5 ramps to and from the northern end of Interstate 405 stubs exist for the proposed Rose City Freeway through the northeast part of the city. A half-built stack interchange was built, including a portion of freeway structure past I-5 from the Fremont Bridge. The freeway structure was eventually reconfigured to connect to N Kerby Avenue at the request of nearby Legacy Emanuel Medical Center. Ramps connecting the Kerby Avenue connector to I-5 were left incomplete. 45°32′40″N 122°40′35″W / 45.544412°N 122.676467°W / 45.544412; -122.676467
• The massive Interstate 405/U.S. Route 30 interchange at the west end of the Fremont Bridge was built for the canceled Interstate 505 project. Initially, this sat as a ramp stub until a temporary connection to NW Vaughn Street was built. The Vaughn Street connection was reconfigured into a short stretch of freeway rerouting U.S. 30 onto a new 4-lane undivided highway called Yeon Avenue. Two ramp stubs exist just short of Vaughn Street that may have provided the temporary connection. 45°32′10″N 122°41′31″W / 45.536041°N 122.691938°W / 45.536041; -122.691938
• Along Interstate 205, between the interchange with Interstate 84 and the Holgate Boulevard overpass is a wide median and grading for ramps (including a tunnel under the freeway). This was part of the canceled Mount Hood Freeway interchange at Powell Avenue. The right-of-way is now used by the MAX Green Line.^[18]45°30′17″N 122°34′00″W / 45.50468°N 122.566564°W / 45.50468; -122.566564 45°29′28″N 122°34′06″W / 45.491242°N 122.568323°W / 45.491242; -122.568323

Other Oregon locations

• Over the access road to the Sunset Transit Center in Beaverton is an overpass with the only purpose to connect future parking structures in a later, as yet unplanned expansion. The overpass itself is paved; neither approach is at this time.^[26] What appears to be a ramp stub leaving U.S. Route 26 westbound immediately south has since been completed, and is now part of the alignment for the recently reconfigured onramp from Oregon Route 217 northbound to U.S. 26).
• In Beaverton, there is stub on ramp from SW Wilshire Street to the on ramp from northbound Oregon Route 217 to eastbound U.S. 26.^[27]
• As an example of a recently built ramp stub; in 2000 the interchange between Oregon Route 217 and Interstate 5 in Tigard was redesigned. The project was planned in two phases; only phase 1—construction of a flyover ramp from I-5 NB to 217 NB, redesign of the other ramps, and several other improvements—was completed. Phase 2 is currently unfunded, has no timetable for construction, and is unlikely to be completed in the foreseeable future due to lack of funding. A ramp stub, located on the ramp from southbound OR 217 to soutbound I-5, was included in phase 1.^[28]

References