U.S. Route 30 or U.S. Highway 30 (US 30) is an east–west main route of the United States Numbered Highway System, with the highway traveling across the Northern U.S. With a length of 3,072 miles (4,944 km), it is the third-longest U.S. Highway, after US 20 and US 6. The western end of the highway is at US 101 in Astoria, Oregon; the eastern end is at Virginia Avenue, Absecon Boulevard, and Adriatic Avenue in Atlantic City, New Jersey. The "0" as the last digit in the number indicates that it is a coast-to-coast route and a major east–west route. Despite long stretches of parallel and concurrent Interstate Highways, it has not been decommissioned unlike other long-haul routes such as US 66. It is also the only U.S. Highway that has always been coast-to-coast since the beginning of U.S. Numbered Highway System.
Interstate 84 (I-84) is an Interstate Highway in the northwestern United States. The highway runs almost 770 miles from Portland, Oregon, to a junction with I-80 near Echo, Utah. The highway serves and connects Portland, Boise, and Ogden, Utah. With connections to other highways, I-84 connects these cities to points east and also serves as part of a corridor between Seattle and Salt Lake City. The sections running through Oregon and Idaho are also known as the Vietnam Veterans Memorial Highway.
U.S. Route 30 (US 30) in the U.S. state of Oregon is a major east–west United States Numbered Highway that runs from its western terminus in Astoria to the Idaho border east of Ontario. West of Portland, US 30 generally follows the southern shore of the Columbia River; east of Portland, the highway has largely been replaced with Interstate 84 (I-84), though it is signed all the way across the state, and diverges from the I-84 mainline in several towns as a de facto business route. Out of all the states US 30 traverses, it spends the most time in Oregon. At 477.02 miles (767.69 km), it is also the longest road in the state.
Oregon Route 7 is an Oregon state highway which runs from Interstate 84 at Baker City to U.S. Route 26 at Austin Junction. OR 7 traverses several highways of the Oregon state highway system: Whitney Highway No. 71, part of the La Grande–Baker Highway No. 66, and part of the Baker–Copperfield Highway No 12. A short spur, Oregon Route 410, serves the city of Sumpter.
Oregon Route 82 (OR 82) is a 70.74-mile-long (113.84 km) state highway in the northeastern part of the U.S. state of Oregon. It travels from U.S. Route 30 (US 30) at La Grande to an intersection with Oregon Routes 350 and 351 in Joseph. It is known as the Wallowa Lake Highway No. 10. OR 82 is part of the Hells Canyon Scenic Byway.
Oregon Route 74 is an Oregon, U.S. state highway running from Interstate 84 in Gilliam County to U.S. Route 395 in Umatilla County. OR 74 is known as the Heppner Highway No. 52. It is 83.05 miles (133.66 km) long and runs east–west.
Oregon Route 86 is an Oregon state highway running from Interstate 84 at Baker City to the Idaho state line at Oxbow. OR 86 comprises most of the Baker-Copperfield Highway No. 12. It is 67.82 miles (109.15 km) long and runs east–west. OR 86 has an unsigned spur near Halfway, which runs for 1.15 miles (1.85 km). Most of OR 86 is part of the Hells Canyon Scenic Byway.
Oregon Route 207 is an Oregon state highway running from U.S. Route 26 in Mitchell to U.S. Route 730 near Cold Springs Junction. OR 207 is 152.30 miles (245.10 km) long and runs north–south.
Oregon Route 237 is an Oregon state highway running from OR 82 in Island City to Interstate 84 and U.S. Route 30 in North Powder. OR 237 is composed of the Cove Highway No. 342 and part of the La Grande-Baker Highway No. 66. It is a combined 38.93 miles (62.65 km) long and runs generally northwest to southeast in an inverted L pattern.
Oregon Route 273 is an Oregon state highway running from OR 66 near Ashland to Interstate 5 near the California state line. OR 273 is known as the Siskiyou Highway No. 273. It is 12.42 miles (19.99 km) long and runs north–south parallel of I-5, entirely within Jackson County.
Oregon Route 410 is an Oregon state highway running from Sumpter to OR 7 near Sumpter. OR 410 is known as the Sumpter Highway. It is 3.71 miles (5.97 km) long and runs east–west, entirely within Baker County.
Oregon Route 413 is an Oregon state highway running from Cornucopia to Halfway. OR 413 is known as the Halfway-Cornucopia Highway No. 413. It is 11.45 miles (18.43 km) long and runs northwest to southeast, entirely within Baker County.
Oregon Route 414 is an Oregon state highway running from OR 86S and OR 413 in Halfway to OR 86 near Halfway. OR 414 is known as the Pine Creek Highway No. 414. It is 0.91 miles (1.46 km) long and runs east–west, entirely within Baker County.
Interstate 84 (I-84) in the U.S. state of Oregon is a major Interstate Highway that traverses the state from west to east. It is concurrent with U.S. Route 30 (US 30) for most of its length and runs 376 miles (605 km) from an interchange with I-5 in Portland to the Idaho state line near Ontario. The highway roughly follows the Columbia River and historic Oregon Trail in northeastern Oregon, and is designated as part of Columbia River Highway No. 2 and all of the Old Oregon Trail Highway No. 6; the entire length is also designated as the Vietnam Veterans Memorial Highway. I-84 intersects several of the state's main north–south roads, including US 97, US 197, I-82, and US 395.
Hells Canyon Scenic Byway is a designated All-American Road in the U.S. state of Oregon. It is located at the northeast corner of Oregon and comprises Oregon Route 82, Oregon Route 350, Forest Roads 39 and 3365, and most of Oregon Route 86. From the west, the byway begins at the intersection of Oregon Route 82 and Interstate 84 near La Grande and ends near Baker City, at the junction of Interstate 84 and Oregon Route 86. It is 218.4 miles (351.5 km) long.
The Grande Ronde Valley is a valley in Union County in northeastern Oregon, United States. It is surrounded by the Blue Mountains and Wallowa Mountains, and is drained by the Grande Ronde River. La Grande is its largest community. The valley is 35 miles (56 km) long, north to south, from Pumpkin Ridge to Pyles Canyon, and 15 miles (24 km) wide, east to west, from Cove to the Grande Ronde River's canyon. Its name, fittingly, means, "great circle."
U.S. Route 84 is a part of the U.S. Highway System that travels from Pagosa Springs, CO to Midway, GA. In New Mexico it begins at the Colorado state line northwest of Chama and ends at the Texas state line in Texico.
I-84 in Baker City 
OR 237 in Union 
I-84 / US 30 in La Grande 
