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Interstate 205 (Oregon–Washington)
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Interstate 205 (Oregon–Washington)
Interstate 205 (I-205) is an auxiliary Interstate Highway in the Portland metropolitan area of Oregon and Washington, United States. The north–south freeway serves as a bypass route of I-5 along the east side of Portland, Oregon, and Vancouver, Washington. It intersects several major highways and serves Portland International Airport.
The freeway is 37 miles (60 km) long and connects to I-5 at both of its termini: to the south in Tualatin, Oregon, and to the north in Salmon Creek, Washington. I-205 is named the Veterans Memorial Highway and East Portland Freeway No. 64 in Oregon (see Oregon highways and routes). From Oregon City to Vancouver, the corridor is paralleled by a multi-use bicycle and pedestrian trail, as well as portions of the MAX Light Rail system between Clackamas and northeastern Portland.
A freeway to serve as an eastern bypass of Portland and Vancouver was conceived in a 1943 plan for the area, and in the 1950s was included in the federal government's preliminary plans for the Interstate Highway System. In 1958, I-205 was assigned as the designation for the eastern bypass; the Oregon state government initially planned it to travel east through Lake Oswego and close to inner neighborhoods of Portland but protests from several communities led to the route of I-205 being moved further east and south into other areas of Clackamas County.
Construction began in 1967 with work on the Abernethy Bridge over the Willamette River, which opened in 1970. By 1972, I-205 was extended west to Tualatin and north to Gladstone but the Portland section was delayed by opposition from local governments. A six-lane design was chosen as a compromise, which allowed for the freeway to reach Portland in 1977. The Glenn L. Jackson Memorial Bridge, spanning the Columbia River between Portland and Vancouver, opened on December 15, 1982. The bridge connected to the Washington section of I-205, which had been completed in two stages between 1975 and 1976. The remaining 6.6 miles (10.6 km) in Portland opened on March 8, 1983, and two years later, additional ramps were constructed to connect with I-84.
I-205 functions primarily as a bypass of I-5 in the Portland metropolitan area, and serves Vancouver, Washington, and the eastern suburban areas of Portland, Oregon. It is listed as part of the National Highway System, which identifies routes that are important to the national economy, defense, and mobility, and Washington state recognizes it as a Highway of Statewide Significance. The Oregon portion of I-205 is designated as East Portland Freeway No. 64 under the state's named highway system. In 2000, the Oregon portion was designated by the state legislature as the Veterans Memorial Highway, and has since been used for an annual vehicle convoy to mark Veterans Day.
Oregon Department of Transportation (ODOT) and Washington State Department of Transportation (WSDOT) maintain I-205 within their respective states. Both agencies conduct annual surveys of traffic on segments of the freeway, the results of which are expressed in terms of annual average daily traffic (AADT), a measure of traffic volume for any average day of the year. In 2018, average traffic volumes on the Oregon portion ranged from 86,800 in Stafford to 170,900 near Division Street in Portland. In 2019, the Washington portion ranged from 47,000 in Salmon Creek to 160,000 on the Glenn L. Jackson Memorial Bridge. The Glenn L. Jackson Bridge is the busier of the two main bridges over the Columbia River in the Portland area; the older Interstate Bridge on I-5 carried a daily average of 138,500 vehicles in 2019.
I-205 begins at a semi-directional T interchange with I-5 in eastern Tualatin, a suburb in Washington County, Oregon. The four-lane freeway travels east along Saum Creek and the Tualatin River into Clackamas County, where it passes a mix of exurban neighborhoods, forests, and farmland. After crossing the river, I-205 turns southeasterly into West Linn and runs along the banks of the Willamette River near Willamette Falls; the freeway has a scenic overlook of the falls for northbound traffic. After an interchange with Oregon Route 43 (OR 43), I-205 expands to six lanes and crosses the Willamette River on the Abernethy Bridge, which runs for 2,727 feet (831 m) into Oregon City and is capped to the east by an interchange with OR 99E. The freeway passes Oregon City's Amtrak train station, and then follows the railroad north to a junction with OR 213, which becomes concurrent with I-205.
The freeway continues north across the Clackamas River, passing through residential and industrial areas in Gladstone and Clackamas. Near Johnson City, I-205 intersects the west end of OR 212, which provides access to Boring and Mount Hood. The concurrency with OR 213 ends at a partial cloverleaf interchange with OR 224—the Sunrise Expressway—near several radio towers on the west side of Mount Talbert. I-205 briefly expands to eight lanes and intersects several roads near the Kaiser Sunnyside Medical Center and Clackamas Town Center, a regional shopping mall, then continues north through an unincorporated residential area between Milwaukie and Happy Valley. The freeway travels north with tracks on the west side for the MAX Green Line, a light rail service operated by TriMet, and enters Portland in Multnomah County.
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Interstate 205 (Oregon–Washington)
Interstate 205 (I-205) is an auxiliary Interstate Highway in the Portland metropolitan area of Oregon and Washington, United States. The north–south freeway serves as a bypass route of I-5 along the east side of Portland, Oregon, and Vancouver, Washington. It intersects several major highways and serves Portland International Airport.
The freeway is 37 miles (60 km) long and connects to I-5 at both of its termini: to the south in Tualatin, Oregon, and to the north in Salmon Creek, Washington. I-205 is named the Veterans Memorial Highway and East Portland Freeway No. 64 in Oregon (see Oregon highways and routes). From Oregon City to Vancouver, the corridor is paralleled by a multi-use bicycle and pedestrian trail, as well as portions of the MAX Light Rail system between Clackamas and northeastern Portland.
A freeway to serve as an eastern bypass of Portland and Vancouver was conceived in a 1943 plan for the area, and in the 1950s was included in the federal government's preliminary plans for the Interstate Highway System. In 1958, I-205 was assigned as the designation for the eastern bypass; the Oregon state government initially planned it to travel east through Lake Oswego and close to inner neighborhoods of Portland but protests from several communities led to the route of I-205 being moved further east and south into other areas of Clackamas County.
Construction began in 1967 with work on the Abernethy Bridge over the Willamette River, which opened in 1970. By 1972, I-205 was extended west to Tualatin and north to Gladstone but the Portland section was delayed by opposition from local governments. A six-lane design was chosen as a compromise, which allowed for the freeway to reach Portland in 1977. The Glenn L. Jackson Memorial Bridge, spanning the Columbia River between Portland and Vancouver, opened on December 15, 1982. The bridge connected to the Washington section of I-205, which had been completed in two stages between 1975 and 1976. The remaining 6.6 miles (10.6 km) in Portland opened on March 8, 1983, and two years later, additional ramps were constructed to connect with I-84.
I-205 functions primarily as a bypass of I-5 in the Portland metropolitan area, and serves Vancouver, Washington, and the eastern suburban areas of Portland, Oregon. It is listed as part of the National Highway System, which identifies routes that are important to the national economy, defense, and mobility, and Washington state recognizes it as a Highway of Statewide Significance. The Oregon portion of I-205 is designated as East Portland Freeway No. 64 under the state's named highway system. In 2000, the Oregon portion was designated by the state legislature as the Veterans Memorial Highway, and has since been used for an annual vehicle convoy to mark Veterans Day.
Oregon Department of Transportation (ODOT) and Washington State Department of Transportation (WSDOT) maintain I-205 within their respective states. Both agencies conduct annual surveys of traffic on segments of the freeway, the results of which are expressed in terms of annual average daily traffic (AADT), a measure of traffic volume for any average day of the year. In 2018, average traffic volumes on the Oregon portion ranged from 86,800 in Stafford to 170,900 near Division Street in Portland. In 2019, the Washington portion ranged from 47,000 in Salmon Creek to 160,000 on the Glenn L. Jackson Memorial Bridge. The Glenn L. Jackson Bridge is the busier of the two main bridges over the Columbia River in the Portland area; the older Interstate Bridge on I-5 carried a daily average of 138,500 vehicles in 2019.
I-205 begins at a semi-directional T interchange with I-5 in eastern Tualatin, a suburb in Washington County, Oregon. The four-lane freeway travels east along Saum Creek and the Tualatin River into Clackamas County, where it passes a mix of exurban neighborhoods, forests, and farmland. After crossing the river, I-205 turns southeasterly into West Linn and runs along the banks of the Willamette River near Willamette Falls; the freeway has a scenic overlook of the falls for northbound traffic. After an interchange with Oregon Route 43 (OR 43), I-205 expands to six lanes and crosses the Willamette River on the Abernethy Bridge, which runs for 2,727 feet (831 m) into Oregon City and is capped to the east by an interchange with OR 99E. The freeway passes Oregon City's Amtrak train station, and then follows the railroad north to a junction with OR 213, which becomes concurrent with I-205.
The freeway continues north across the Clackamas River, passing through residential and industrial areas in Gladstone and Clackamas. Near Johnson City, I-205 intersects the west end of OR 212, which provides access to Boring and Mount Hood. The concurrency with OR 213 ends at a partial cloverleaf interchange with OR 224—the Sunrise Expressway—near several radio towers on the west side of Mount Talbert. I-205 briefly expands to eight lanes and intersects several roads near the Kaiser Sunnyside Medical Center and Clackamas Town Center, a regional shopping mall, then continues north through an unincorporated residential area between Milwaukie and Happy Valley. The freeway travels north with tracks on the west side for the MAX Green Line, a light rail service operated by TriMet, and enters Portland in Multnomah County.
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