Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Number | South/west end | North/east end | Formed | Eliminated |
| --- | --- | --- | --- | --- |
| U.S. Route 20 | US 101 in Newport | US 20/US 26 towards Boise, ID | 1940 |  |
| U.S. Route 20 Business | US 20 northwest of Toledo | US 20 northeast of Toledo |  |  |
| U.S. Route 20 Business | US 20/US 97B in Bend | US 20/US 97B in Bend | 1980s |  |
| U.S. Route 26 | US 101 south of Seaside | US 20/US 26 towards Boise, ID | 1952 |  |
| U.S. Route 126 | OR 99 in Eugene | US 26 in Prineville | 1952 | 1972 |
| U.S. Route 28 | OR 99 in Eugene | Former US 30 in Ontario | 1926 | 1952 |
| U.S. Route 30 | US 101 in Astoria | US 30 in Fruitland, ID | 1926 |  |
| U.S. Route 30 Business | I-84/US 30/OR 201 north of Ontario | I-84/US 30 in Ontario | 1980 |  |
| U.S. Route 30 Business | OR 99E in Portland | US 30BY in Portland | 1967 | 2007 |
| U.S. Route 30 Bypass | US 30 in Portland | I-84/US 30 in Fairview | 1936 |  |
| U.S. Route 30N | Former US 30 south of Huntington | Weiser, ID | 1927 | 1980 |
| U.S. Route 30S | US 30 in Ontario | Towards Parma, ID | 1938 | 1940 |
| U.S. Route 630 | Former US 30 south of Huntington | Weiser, ID | 1926 | 1927 |
| U.S. Route 730 | I-84/US 30 east of Boardman | US 730 towards Walla Walla, WA | 1926 |  |
| U.S. Route 95 | US 95 towards Winnemucca, NV | US 95 towards Homedale, ID | 1939 |  |
| U.S. Route 95 Spur | OR 201 south of Huntington | US 95S in Weiser, ID | 1980 |  |
| U.S. Route 395 | US 395 towards Alturas, CA | I-82/US 395 towards Tri-Cities, WA | 1934 |  |
| U.S. Route 97 | US 97 towards Weed, CA | US 97 towards Yakima, WA | 1926 |  |
| U.S. Route 97 Business | US 97 in Klamath Falls | US 97 in Klamath Falls | 1980s |  |
| U.S. Route 97 Business | US 97 in Bend | US 20/US 97 in Bend | 1980s |  |
| U.S. Route 197 | US 97 at Shaniko Junction | US 197 towards Dallesport, WA | 1952 |  |
| U.S. Route 99 | Towards Weed, CA | Vancouver, WA | 1926 | 1972 |
| U.S. Route 99E | OR 99/OR 99W in Junction City | OR 99/OR 99W in Portland | 1928 | 1972 |
| U.S. Route 99W | OR 99/OR 99E in Junction City | OR 99/OR 99E in Portland | 1928 | 1972 |
| U.S. Route 199 | US 199 towards Crescent City, CA | I-5/OR 99 in Grants Pass | 1926 |  |
| U.S. Route 101 | US 101 towards Crescent City, CA | US 101 towards Aberdeen, WA | 1926 |  |
| U.S. Route 101 Business | US 101 in Warrenton | US 101 in Astoria | 1967 |  |
| Oregon Route 2 | US 101 south of Seaside | OR 10 in Portland | 1932 | 1952 |
| Oregon Route 3 | OR 82 in Enterprise | WA 129 towards Clarkston, WA | 1932 |  |
| Oregon Route 6 | US 101/OR 131 in Tillamook | US 26 west of North Plains | 1932 |  |
| Oregon Route 7 | US 26 south of Austin | I-84 in Baker | 1932 |  |
| Oregon Route 8 | OR 6 near Gales Creek | US 26 east of Beaverton | 1936 |  |
| Oregon Route 10 | OR 219 south of Hillsboro | US 26 in Portland | 1932 |  |
| Oregon Route 11 | I-84 near Pendleton | WA 125 towards Walla Walla, WA | 1932 |  |
| Oregon Route 14 | US 101 at Hebo | OR 18 west of Willamina | 1932 | 1950s |
| Oregon Route 15 | US 30 in Pendleton | US 730 at Cold Springs | 1932 | 1934 |
| Oregon Route 18 | US 101 west of Otis Junction | OR 99W north of Dayton | 1932 |  |
| Oregon Route 18 Business | OR 18 at Wallace Bridge | OR 18 east of Sheridan | 1960 |  |
| Oregon Route 19 | US 26 northwest of Dayville | I-84/US 30 in Arlington | 1932 |  |
| Oregon Route 22 | US 101 at Hebo | US 20 west of Suttle Lake | 1932 |  |
| Oregon Route 23 | US 97 at Cow Canyon | US 30 in The Dalles | 1932 | 1952 |
| Oregon Route 26 | US 101 in Newport | OR 99E in Albany | 1932 | 1943 |
| Oregon Route 27 | US 20 west of Brothers | US 26 in Prineville | 1932 |  |
| Oregon Route 31 | US 395 at Valley Falls | US 97 south of La Pine | 1932 |  |
| Oregon Route 32 | US 730 east of Umatilla | US 30 near Stanfield | 1945 | 1973 |
| Oregon Route 34 | US 101 in Waldport | US 20 in Lebanon | 1932 |  |
| Oregon Route 35 | US 26 east of Government Camp | I-84/US 30 west of Hood River | 1932 |  |
| Oregon Route 36 | OR 126 in Mapleton | OR 99W near Junction City | 1936 |  |
| Oregon Route 37 | I-84/US 395 in Pendleton | US 730 at Cold Springs | 1973 |  |
| Oregon Route 38 | US 101 in Reedsport | OR 99 in Drain | 1932 |  |
| Oregon Route 39 | CA 139 towards Alturas, CA | US 97 in Klamath Falls | 1932 |  |
| Oregon Route 42 | US 101 north of Coquille | I-5/OR 99 south of Roseburg | 1932 |  |
| Oregon Route 43 | OR 99E in Oregon City | US 26 in Portland | 1932 |  |
| Oregon Route 46 | US 199 in Cave Junction | Oregon Caves | 1932 |  |
| Oregon Route 47 | OR 99W north of McMinnville | US 30 in Clatskanie | 1932 |  |
| Oregon Route 50 | OR 10 in Portland | US 97 in Madras | 1932 | 1952 |
| Oregon Route 51 | OR 99W/OR 194 in Monmouth | OR 22 west of Salem | 1932 |  |
| Oregon Route 52 | OR 201 north of Ontario | SH-52 in Payette, ID | 1940s |  |
| Oregon Route 52 | US 26 near Bear Springs | US 197 near Maupin | 1940s | 1950s |
| Oregon Route 53 | US 101 near Wheeler | US 26 at Necanicum | 1939 |  |
| Oregon Route 54 | OR 99E in Albany | US 28 in Vale | 1932 | 1940 |
| Oregon Route 58 | I-5/OR 99 at Goshen | US 97 north of Chemult | 1932 |  |
| Oregon Route 62 | OR 99/OR 238 in Medford | US 97 south of Chiloquin | 1932 |  |
| Oregon Route 66 | OR 99 in Ashland | US 97 south of Klamath Falls | 1932 |  |
| Oregon Route 69 | OR 126 in Eugene | I-5 in Springfield | 2002 | 2007 |
| Oregon Route 70 | OR 140 at Dairy | Bonanza | 1932 |  |
| Oregon Route 74 | I-84/US 30 east of Arlington | US 395 at Nye | 1932 |  |
| Oregon Route 78 | US 20/US 395 in Burns | US 95 at Burns Junction | 1932 |  |
| Oregon Route 82 | US 30 in La Grande | Joseph | 1932 |  |
| Oregon Route 86 | I-84 near Baker | Near Hells Canyon, ID | 1932 |  |
| Oregon Route 86S | OR 86 northeast of Richland | OR 413/OR 414 in Halfway | 2003 |  |
| Oregon Route 90 | OR 201 north of Ontario | SH-52 in Payette, ID | 1932 | 1950s |
| Oregon Route 99 | I-5 south of Ashland | OR 99E/OR 99W in Junction City |  |  |
| Oregon Route 99E | OR 99/OR 99W in Junction City | I-5 in North Portland |  |  |
| Oregon Route 99E Business | I-5/OR 99E in Salem | OR 99E north of Salem |  |  |
| Oregon Route 99W | OR 99/OR 99E in Junction City | I-5 in Tigard |  |  |
| Oregon Route 103 | US 26 near Elsie | OR 202 at Jewell | 2002 |  |
| Oregon Route 104 | US 101 south of Warrenton | Fort Stevens State Park | 2002 |  |
| Oregon Route 104S | OR 104 in Warrenton | US 101 in Warrenton | 2002 |  |
| Oregon Route 120 | North Portland | I-5/OR 99E in North Portland | 2002 |  |
| Oregon Route 126 | US 101 in Florence | US 26 in Prineville |  |  |
| Oregon Route 126 Business | I-105/OR 99/OR 126 in Eugene | OR 126 in Springfield |  |  |
| Oregon Route 130 | US 101 southwest of Hebo | OR 22 at Dolph | 2002 |  |
| Oregon Route 131 | Oceanside | US 101/OR 6 in Tillamook | 2002 |  |
| Oregon Route 138 | OR 38 at Elkton | US 97 south of Chemult | 1960s |  |
| Oregon Route 140 | OR 62 near White City | NV 140 towards Winnemucca, NV | 1960s |  |
| Oregon Route 141 | I-5 in Wilsonville | OR 217 in Beaverton | 2003 |  |
| Oregon Route 153 | OR 18 at Bellevue | OR 221 east of Hopewell | 2002 |  |
| Oregon Route 154 | OR 153 | OR 233 southwest of Dayton | 2002 |  |
| Oregon Route 164 | I-5/OR 99E in Millersburg | I-5/OR 99E north of Jefferson | 2002 |  |
| Oregon Route 173 | US 26 east of Government Camp | Timberline Lodge | 2002 |  |
| Oregon Route 180 | US 20 at Eddyville | US 20 at Blodgett | 2002 |  |
| Oregon Route 182 | Devils Punch Bowl State Natural Area | US 101 north of Newport | 2002 |  |
| Oregon Route 194 | OR 223 south of Dallas | OR 51/OR 99W in Monmouth | 2002 |  |
| Oregon Route 200 | North of Curtin | OR 99W in Monroe | 2002 |  |
| Oregon Route 201 | SH-19 towards Homedale, ID | I-84/US 30 south of Huntington | 1935 |  |
| Oregon Route 202 | US 101 in Astoria | OR 47 at Mist | 1935 |  |
| Oregon Route 203 | OR 86 northeast of Baker | I-84/US 30 south of La Grande | 1935 |  |
| Oregon Route 204 | OR 11 north of Weston | OR 82 in Elgin | 1935 |  |
| Oregon Route 205 | Roaring Springs Ranch | OR 78 east of Burns | 1935 |  |
| Oregon Route 206 | I-84/US 30 at Celilo | OR 74 in Heppner | 1935 |  |
| Oregon Route 207 | US 26 in Mitchell | US 730 west of Cold Springs | 1935 |  |
| Oregon Route 208 | OR 219 south of Hillsboro | OR 10 in Beaverton | 1935 | 1982 |
| Oregon Route 209 | Crater Lake National Park | OR 58 at Crescent Lake Junction | 1935 | 1950s |
| Oregon Route 210 | OR 219 at Scholls | OR 10 west of Hillsdale | 1935 |  |
| Oregon Route 211 | OR 99E north of Woodburn | US 26 in Sandy | 1935 |  |
| Oregon Route 212 | I-205 near Clackamas | US 26 west of Sandy | 1935 |  |
| Oregon Route 213 | I-5/OR 99E in Salem | Portland International Airport | 1935 |  |
| Oregon Route 214 | I-5 in Woodburn | OR 22 west of Shaw | 1935 |  |
| Oregon Route 215 | OR 214 in Silverton | OR 99E in Oregon City | 1935 | 1950s |
| Oregon Route 216 | US 26 near Bear Springs | US 97 in Grass Valley | 1935 |  |
| Oregon Route 217 | I-5 east of Tigard | US 26 at Cedar Hills | 1935 |  |
| Oregon Route 218 | US 97 at Shaniko | OR 19 in Fossil | 1935 |  |
| Oregon Route 219 | I-5 in Woodburn | OR 8 in Hillsboro | 1935 |  |
| Oregon Route 220 | Sumpter | OR 7 at Salisbury | 1935 | 1980s |
| Oregon Route 221 | OR 22 in Salem | OR 18 northeast of Dayton | 1935 |  |
| Oregon Route 222 | OR 99 in Creswell | OR 126B in Springfield | 2002 |  |
| Oregon Route 222 | OR 99EB in Salem | US 20/OR 126 west of Suttle Lake | 1935 | 1950s |
| Oregon Route 223 | US 20 near Wren | OR 22 west of Rickreall | 1935 |  |
| Oregon Route 224 | OR 99E in Milwaukie | Near Ripplebrook | 1936 |  |
| Oregon Route 225 | I-5 north of Goshen | OR 126B west of Springfield | 2002 |  |
| Oregon Route 225 | OR 99 in Sutherlin | OR 38 at Elkton | 1935 | 1960s |
| Oregon Route 226 | US 20 at Crabtree Corners | OR 22 at Mehama | 1935 |  |
| Oregon Route 227 | OR 62 at Trail | South of Tiller | 1935 | 1986 (restored 2003) |
| Oregon Route 228 | OR 99E in Halsey | US 20 in Sweet Home | 1935 |  |
| Oregon Route 229 | US 20 north of Toledo | US 101 at Kernville | 1935 |  |
| Oregon Route 230 | OR 62 near Union Creek | OR 138 near Diamond Lake | 1935 |  |
| Oregon Route 231 |  |  |  |  |
| Oregon Route 232 | Crater Lake National Park | US 97 | 1935 | 1980s |
| Oregon Route 233 | OR 99W north of Amity | OR 99W northeast of Dayton | 1935 |  |
| Oregon Route 234 | I-5 west of Gold Hill | OR 62 north of Eagle Point | 1935 |  |
| Oregon Route 235 |  |  |  |  |
| Oregon Route 236 | OR 62 in Eagle Point | US 97 in Klamath Falls | 1935 | 1940s |
| Oregon Route 237 | I-84/US 30 at North Powder | OR 82 in Island City | 1935 |  |
| Oregon Route 238 | US 199/OR 99 south of Grants Pass | OR 99 in Medford | 1935 |  |
| Oregon Route 240 | OR 47 in Yamhill | OR 99W in Newberg | 1935 |  |
| Oregon Route 241 | US 101 in Coos Bay | East of Nesika County Park | 2003 |  |
| Oregon Route 242 | OR 126 south of Belknap Springs | US 20/OR 126 in Sisters |  |  |
| Oregon Route 244 | US 395 west of Ukiah | I-84/US 30 at Hilgard |  |  |
| Oregon Route 245 | US 26 near Unity | OR 7 near Salisbury |  |  |
| Oregon Route 250 | US 101 north of Port Orford | Cape Blanco State Park | 2003 |  |
| Oregon Route 251 | Port Orford Heads State Park | US 101 in Port Orford | 2003 |  |
| Oregon Route 255 | US 101 at Brookings | US 101 south of Gold Beach | 2003 |  |
| Oregon Route 260 | US 199 southwest of Grants Pass | Grants Pass | 2003 |  |
| Oregon Route 273 | I-5 south of Siskiyou Summit | OR 66 southeast of Ashland | 2003 |  |
| Oregon Route 281 | OR 35 at Mt. Hood | US 30/OR 35 in Hood River | 2002 |  |
| Oregon Route 282 | OR 281 south of Hood River | OR 35 south of Hood River | 2002 |  |
| Oregon Route 293 | US 97 north of Madras | OR 218 in Antelope | 2002 |  |
| Oregon Route 331 | I-84/US 30 southeast of Pendleton | OR 11 northeast of Pendleton | 2003 |  |
| Oregon Route 332 | Washington state line | OR 11 north of Milton-Freewater | 2003 |  |
| Oregon Route 334 | OR 37 north of Pendleton | OR 11 east of Athena | 2003 |  |
| Oregon Route 335 | OR 11 northeast of Pendleton | Helix | 2003 |  |
| Oregon Route 339 | OR 11 in Milton-Freewater | Towards Walla Walla, WA | 2003 |  |
| Oregon Route 350 | OR 82/OR 351 in Joseph | Imnaha | 2003 |  |
| Oregon Route 351 | South of Wallowa Lake | OR 82/OR 350 in Joseph | 2003 |  |
| Oregon Route 361 | US 97 southeast of Culver | US 26/US 97 in Madras | 2002 |  |
| Oregon Route 370 | US 97 north of Redmond | OR 126 in Prineville | 2002 |  |
| Oregon Route 380 | US 26 in Prineville | East of Paulina | 2002 |  |
| Oregon Route 402 | OR 19 at Kimberly | US 395 in Long Creek | 2002 |  |
| Oregon Route 410 | Sumpter | OR 7 southeast of Sumpter | 2003 |  |
| Oregon Route 413 | OR 86S/OR 414 in Halfway | Cornucopia | 2003 |  |
| Oregon Route 414 | OR 86S/OR 413 in Halfway | OR 86 east of Halfway | 2003 |  |
| Oregon Route 422 | South of Klamath Agency | US 97 southwest of Chiloquin | 2002 |  |
| Oregon Route 422S | OR 422 in Chiloquin | Chiloquin | 2002 |  |
| Oregon Route 429 | Near Crescent Lake | OR 58 at Crescent Lake Junction | 2002 |  |
| Oregon Route 451 | US 20 southwest of Vale | US 20 in Vale | 2003 |  |
| Oregon Route 452 | OR 201 southwest of Adrian | SH-18 towards Parma, ID | 2003 |  |
| Oregon Route 453 | OR 454 southeast of Adrian | Idaho state line | 2003 |  |
| Oregon Route 454 | OR 452 southeast of Adrian | Idaho state line | 2003 |  |
| Oregon Route 501 | Southwest of Alsea | OR 34 at Alsea | 2002 |  |
| Oregon Route 528 | OR 126B in Springfield | OR 126 in Springfield | 2002 |  |
| Oregon Route 540 | Cape Arago State Park | US 101 in North Bend | 2003 |  |
| Oregon Route 542 | Powers | OR 42 southeast of Myrtle Point | 2003 |  |
| Oregon Route 551 | OR 99E southwest of Aurora | I-5 in Wilsonville | 2002 |  |
| Oregon Route 569 | OR 126 in Eugene | I-5 in Springfield | 2007 |  |
Question:
how many routes were formed in the 1920's?
Answer:
11