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 153 is an Oregon state highway running from OR 18 in Bellevue to OR 221 near Hopewell. OR 153 is known as the Bellevue-Hopewell Highway No. 153. It is 14.34 miles (23.08 km) long and runs east–west, entirely within Yamhill County.
Oregon Route 154 is an Oregon state highway running from OR 233 near Dayton to OR 153 near Hopewell. OR 154 is composed of most of the Lafayette Highway No. 154. It is 5.74 miles (9.24 km) long and runs north–south, entirely within Yamhill County.
Oregon Route 173 is an Oregon state highway running from Timberline Lodge in Clackamas County to U.S. Route 26 near Government Camp. OR 173 is known as the Timberline Highway No. 173. It is 5.37 miles (8.64 km) long and runs in a northeast to southwest "L" pattern, entirely within Clackamas County.,
Oregon Route 180 is an Oregon state highway running from the community of Eddyville to U.S. Route 20 in Blodgett. OR 180 is known as the Eddyville-Blodgett Highway No. 180. It is 19.23 miles (30.95 km) long and runs west–east.
Oregon Route 194 is an Oregon state highway running from OR 223 near Dallas to OR 99W and OR 51 in Monmouth. OR 194 is known as the Monmouth Highway No. 194. It is 7.56 miles (12.17 km) long and runs east–west, entirely within Polk County.
Oregon Route 216 is an Oregon state highway running from U.S. Route 26 at Warm Springs Junction to U.S. Route 97 in Grass Valley. OR 216 is 61.30 miles (98.65 km) long and runs east–west.
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 245 is an Oregon state highway running from Salisbury to Unity. OR 245 is known as the Dooley Mountain Highway No. 415. It is 38.62 miles (62.15 km) long and runs north–south, entirely within Baker County.
Oregon Route 250 is an Oregon state highway running from Cape Blanco State Park to OR 101 near Sixes. OR 250 is known as the Cape Blanco Highway No. 250. It is 5.41 miles (8.71 km) long and runs east–west, entirely within Curry County.
Oregon Route 251 is an Oregon state highway running from Port Orford Heads State Park to Port Orford. OR 251 is known as the Port Orford Highway No. 251. It is 0.76 miles (1.22 km) long and runs east–west, entirely within Curry County and mostly within the Port Orford city limits.
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 282 is a state highway running from OR 281 north of Odell to OR 35 east of Odell within the U.S. state of Oregon. OR 282 is known as the Odell Highway No. 282. It is 3.45 miles (5.55 km) long and runs northwest to southeast, entirely within Hood River County.
Oregon Route 350 is an Oregon state highway running from Joseph to Imnaha. OR 350 is known as the Little Sheep Creek Highway No. 350. It is 29.36 miles (47.25 km) long and runs east–west, entirely within Wallowa County.
Oregon Route 402 is an Oregon state highway running from Kimberly to Long Creek. OR 402 is known as the Kimberly-Long Creek Highway No. 402. It is 34.88 miles (56.13 km) long and runs east–west, entirely within Grant 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 540 is an Oregon state highway running from North Bend to Cape Arago State Park. OR 540 is known as the Cape Arago Highway No. 240. It is 14.20 miles (22.85 km) long and runs northeast to southwest, entirely within Coos County.
Oregon Route 361 is an Oregon state highway running from US 26 and US 97 in Madras to US 97 near Culver. OR 361 is known as the Culver Highway No. 361. It is 11.62 miles (18.70 km) long and runs north–south as a half loop from US 97, entirely within Jefferson County.
Oregon Route 370 is an Oregon state highway running from US 97 near Redmond to OR 126 in Prineville. OR 370 is known as the O'Neil Highway No. 370. It is 17.87 miles (28.76 km) long and runs east–west.
OR 140 in Dairy 
