The Tualatin River is a tributary of the Willamette River in Oregon in the United States. The river is about 83 miles (134 km) long, and it drains a fertile farming region called the Tualatin Valley southwest and west of Portland at the northwest corner of the Willamette Valley. There are approximately 500,000 people residing on 15 percent of the land in the river's watershed.
Oregon Route 10 is an Oregon state highway which serves Portland and some of its western suburbs.
Oregon Route 8, also known as Oregon Highway 8, is an Oregon state highway which serves the western suburbs of Portland. The road is locally known as Canyon Road and Tualatin Valley Highway, and travels through the center of the Tualatin Valley. Oregon 8 is located entirely within Washington County. The portion of the route from US 26 to Oregon Route 47 is part of the National Highway System, listed as a principal arterial.
Oregon Route 217 (OR 217), also known as the Beaverton-Tigard Highway No. 144, is a north-south controlled-access state highway in Washington County, Oregon. The route travels along the west suburbs of Portland, starting at US Route 26 (US 26) in Beaverton and ending at Interstate 5 (I-5) in Tigard.
Oregon Route 212 is an Oregon state highway that serves the eastern Portland metro area. It is an east–west route, running between Boring and Clackamas.
Oregon Route 213 is an Oregon state highway that serves the eastern Willamette Valley between Portland and Salem. It is a north–south route. The route is known as the Cascade Highway, though specific segments are generally better known by more localized names.
Oregon Route 18 is a state highway that runs between the Oregon Coast, near Lincoln City, and Newberg. OR 18 traverses the Salmon River Highway No. 39 of the Oregon state highway system, named after the river alongside its westernmost segments.
Oregon Route 210 is a state highway which runs between the community of Scholls, Oregon and the Raleigh Hills neighborhood west of Portland, terminating at the Sylvan overpass on Highway 26. It has become an important route for both commuters and agriculture through Washington County. Oregon Route 210 is signed from east-to-west; though in actuality it runs in a northeast-to-southwest direction.
Oregon Route 214 is an Oregon state highway which runs from the city of Woodburn, southeast into Silver Falls State Park in the Cascade foothills, and then loops back west towards Salem. The northern segment of the highway is known as the Hillsboro-Silverton Highway No. 140, a designation which continues north on OR 219, and the southern segment is known as the Silver Creek Falls Highway No. 163.
Oregon Route 43 is an Oregon state highway that runs between the cities of Oregon City and Portland, mostly along the western flank of the Willamette River. While it is technically known by the Oregon Department of Transportation as the Oswego Highway No. 3, on maps it is referred to by its route number or by the various street names it has been given.
Oregon Route 47 is an Oregon state highway that runs between the Willamette Valley, near McMinnville, and the city of Clatskanie, along the Columbia River in the northwest part of the state. OR 47 traverses several highways of the Oregon state highway system: part of the Tualatin Valley Highway No. 29, part of the Nehalem Highway No. 102, part of the Sunset Highway No. 47, and the Mist–Clatskanie Highway No. 110.
Oregon Route 22 is an Oregon state highway that runs between the Oregon Coast community of Hebo, to a junction with U.S. Route 20 near Santiam Pass in the Cascade Mountains. OR 22 traverses several highways of the Oregon state highway system, including the Three Rivers Highway No. 32, part of the Salmon River Highway No. 39, the Willamina–Salem Highway No. 30, part of the Salem Highway No. 72, and the North Santiam Highway No. 162.
Oregon Route 99E is an Oregon state highway that runs between Junction City, Oregon and an interchange with I-5 just south of the Oregon/Washington border, in Portland. It, along with OR 99W, makes up a split of OR 99 in the northern part of the state. This split existed when the route was U.S. Route 99, when the two branches were U.S. 99W and U.S. 99E.
Oregon Route 51 is an Oregon state highway running between Monmouth, Oregon and an intersection with Oregon Route 22 west of Salem. OR 51 traverses several highways of the Oregon state highway system: the Monmouth–Independence Highway No. 43 and the Independence Highway No. 193. The route lies completely within Polk County. The Independence Highway previously continued south to US 20.
Oregon Route 99W is a state-numbered route in Oregon, United States, that runs from OR 99 and OR 99E in Junction City north to I-5 in southwestern Portland. Some signage continues it north to US 26 near downtown, but most signage agrees with the Oregon Department of Transportation's (ODOT) description, ending it at I-5. OR 99W is known by ODOT as the Pacific Highway West No. 1W ; that highway continues north through downtown to the Pacific Highway No. 1 (I-5) in northern Portland, as well as south on OR 99 to the Pacific Highway (I-5) in Eugene.
Oregon Route 141, known as the Beaverton–Tualatin Highway No. 141, is an Oregon state highway which runs from the city of Wilsonville to the southern edge of Beaverton. The highway is 10.46 miles (16.83 km) long.
Scholls, Oregon is an unincorporated community in Washington County, Oregon, United States. It is located along the southern shore of the Tualatin River, near the intersection of Oregon Routes 210 and 219. Scholls is located approximately seven miles north of Newberg, seven miles west of Tigard and eight miles south of Hillsboro. The area around Scholls is primarily agricultural.
Interstate 5 (I-5) in the U.S. state of Oregon is a major Interstate Highway that traverses the state from north to south. It travels to the west of the Cascade Mountains, connecting Portland to Salem, Eugene, Medford, and other major cities in the Willamette Valley and across the northern Siskiyou Mountains. The highway runs 308 miles (496 km) from the California state line near Ashland to the Washington state line in northern Portland, forming the central part of Interstate 5's route between Mexico and Canada.
Cornelius Pass Road is an arterial road in the Portland metropolitan area of Oregon, United States. The north-south road serves as an arterial connection between Burlington and Hillsboro. It intersects with several main roads throughout its route.
U.S. Route 20 (US 20) is a major west–east cross-state highway in the northern part of the U.S. state of Oregon, especially east of the Cascade Mountains. It connects U.S. Route 101 in Newport on the central Oregon Coast to the Idaho state line east of Nyssa.
I-5 / OR 214 in Woodburn 
OR 8 in Hillsboro 
