Washington State Route 821

SR 821 begins at an interchange with I-82, co-signed with US 97, northeast of Selah in northern Yakima County. The interchange also includes a connection to Firing Center Road, which continues east into the Yakima Training Center, a military installation that spans the mountainous area between Yakima and the Columbia River. SR 821 makes a 90-degree turn to the northeast and intersects the northern terminus of SR 823, a short highway that travels south into downtown Selah. The highway continues north through farms near the community of Pomona and passes the Sundown M Ranch substance abuse treatment center near the mouth of Selah Creek at the Yakima River. It then travels into the narrow Yakima River Canyon to the east of BNSF Railway's Yakima Valley Subdivision, which forms part of the main east–west railroad across south central Washington. Near the south end of the Yakima River Canyon, which cuts across the Umtanum Ridge, SR 821 crosses into Kittitas County. The two-lane highway generally runs along the bottom of the canyon, to the east of the river and railroad and paralleled to the east by I-82. At Roza Dam, the railroad crosses over to the west side of the river while SR 821 stays uphill from the river, cutting through part of the ridge. The highway continues north, following the cliffs along the meandering river and opposite the railroad and the Wenas Wildlife Area to the west. It passes through of land owned by the Bureau of Land Management, which includes several campgrounds, boat launches, and four recreational areas. The area also has several cattle ranches and farms centered around the Burbank Valley. Midway through the valley, SR 821 passes the Canyon River Ranch, an isolated rest area with shops, restaurants, and cabins that is planned to grow into a resort. Further north of the ranch is the parking lot for the Umtanum Creek Recreation Area, with a network of hiking trails connected via a footbridge over the Yakima River. After completing a series of hairpin turns along the narrowest section of the valley, SR 821 is rejoined by the railroad and enters the wide Kittitas Valley near several vineyards. The highway turns east at Helen McCabe State Park onto Thrall Road and crosses Wilson Creek before terminating at a partial cloverleaf interchange with I-82 and US 97. From the junction, Canyon Road continues north along the railroad to an interchange with I-90 and into downtown Ellensburg. The canyon was formed approximately 10 million years ago through the erosion of rocks formed by basalt lava flows. The byway passes through shrub-steppe habitats that are home to trout, bighorn sheep, mule deer, and a variety of visiting or permanent bird species. SR 821 is maintained by the Washington State Department of Transportation (WSDOT), which conducts an annual survey on the state's highways to measure traffic volume in terms of annual average daily traffic. The highway's daily vehicle counts range from a minimum of 1,100 vehicles at its northern terminus to a maximum of 5,100 at its southern terminus. SR 821 generally consists of two lanes with a width of , with occasional shoulders, and a posted speed limit of . a marathon and bicycle tour in the spring, and a heritage tractor run in the summer. ==History==

after concrete paving in 1924 The Yakima River Canyon was historically avoided by Native Americans and later American settlers, who preferred wagon trails along nearby ridges and creeks. A road link between Ellensburg and Yakima remained a priority for the state government, who appropriated funds in 1909 to survey the area for a potential state highway. It was named as part of the planned Inland Empire Highway in 1913, forming a major trunk route through the Yakima Valley and Inland Northwest, and a route along the east side of the river was surveyed in the early 1920s by state highway engineers. It cost approximately $1 million to construct (equivalent to $ in dollars) and included several tunnels cut through the lava basalt cliffs using dynamite that were later abandoned. The highway was signed as part of State Road 3 and incorporated into the Yellowstone Trail, a national auto trail, and later the federal numbered highway system created in 1926. Under the federal system, the Ellensburg–Yakima section formed part of US 97, the main north–south route through central Washington and Oregon. The highway was paved with concrete in 1932 and renumbered as Primary State Highway 3 (PSH 3) in 1937. The canyon highway's tunnels were bypassed by a new alignment built closer to the river in 1963, after traffic volumes had outgrown the narrow tunnels. The canyon route had been designated as the state's first scenic byway in 1967, following the enactment of the system, and was provisionally numbered and signed as State Route 821. A lower speed limit of was also set on the highway to discourage use by trucks and encourage scenic touring. In 1973, US 97 was rerouted onto I-82 between Ellensburg and Yakima, while the old alignment through the canyon became SR 821. Until the completion of the Thrall Road interchange in the 1980s, SR 821 continued further north to Tjossem Road, where it turned east and crossed I-82. The encroachment of residential development from the north forced the Bureau of Land Management and The Nature Conservancy to buy additional properties in the canyon for preservation in the 1990s. Beginning in 1996, the state government embarked on a targeted anti-drunk driving campaign along SR 821, which had been the site of over 115 collisions between 1992 and 1995, of which 25 were alcohol-related. The first year of the campaign was hailed as a success, with two consecutive summer months without a recorded collision and 2,200 police stops for driving violations. Eight separate sections of the highway were closed for several weeks in July 1998 due to rockslides and washouts brought by of rainfall on July 3. The repair cost $750,000 and used funds from the Federal Highway Administration, acquired via an emergency proclamation signed by Governor Gary Locke. ==Major intersections==

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