Question: How many miles is the interstate that includes the southern terminus of U.S. Route 73?

full_context: Document 1: Interstate 80 in Wyoming: Interstate 80 (I-80) is a part of the Interstate Highway System that runs from San Francisco to Teaneck, New Jersey. In Wyoming, the Interstate Highway runs 402.780 mi from the Utah state line near Evanston east to the Nebraska state line in Pine Bluffs. I-80 connects Cheyenne, Wyoming's capital and largest city, with several smaller cities along the southern tier of Wyoming, including Evanston, Green River, Rock Springs, Rawlins, and Laramie. The highway also connects those cities with Salt Lake City to the west and Omaha to the east. In Cheyenne, I-80 intersects I-25 and has Wyoming's only auxiliary Interstate, I-180. The Interstate runs concurrently with U.S. Route 30 (US 30) for most of their courses in Wyoming. I-80 also has shorter concurrencies with US 189 near Evanston, US 191 near Rock Springs, and US 287 and Wyoming Highway 789 (WYO 789) near Rawlins. The Interstate has business loops through all six cities along its course as well as a loop serving Fort Bridger and Lyman east of Evanston.
Document 2: Interstate 80: Interstate 80 (I-80) is a transcontinental limited-access highway in the United States that runs from downtown San Francisco, California, to Teaneck, New Jersey, in the New York City Metropolitan Area. The highway was designated in 1956 as one of the original routes of the Interstate Highway System. Its final segment was opened to traffic in 1986. It is the second-longest Interstate Highway in the United States, following I-90. The Interstate runs through many major cities including Oakland, Sacramento, Reno, Salt Lake City, Omaha, Des Moines, and Toledo, and passes within 10 mi of Chicago, Cleveland, and New York City.
Document 3: Pennsylvania Route 73: Pennsylvania Route 73 (PA 73) is a 62.32 mi long east–west state highway in southeastern Pennsylvania. It runs from PA 61 in Leesport southeast to the New Jersey state line on the Tacony-Palmyra Bridge over the Delaware River in Philadelphia, where it continues as New Jersey Route 73. The route passes through rural areas of Berks County, crossing U.S. Route 222 (US 222) in Maiden Creek before continuing southeast through Oley and Boyertown. PA 73 continues into Montgomery County and intersects PA 100 in Gilbertsville and PA 29 in Schwenksville before it continues into the northwest suburbs of Philadelphia. The route passes through Skippack and intersects US 202 in Center Square, PA 309 in Springfield Township, and PA 611 near Jenkintown. PA 73 continues through Northeast Philadelphia on Cottman Avenue, crossing US 1 (Roosevelt Boulevard) and US 13 (Frankford Avenue) before coming to an interchange with Interstate 95 (I-95) near the Tacony-Palmyra Bridge.
Document 4: U.S. Route 50 in Kansas: In the U.S. state of Kansas, U.S. Route 50 (US-50) is a main east–west highway serving the southwest, central and northeastern parts of the state. Kansas City is the only metropolitan area US-50 serves in the state but the highway does serve several other larger towns in Kansas such as (from west to east) Garden City, Dodge City, Hutchinson, Newton and Emporia.
Document 5: Ohio State Route 73: State Route 73 (SR 73) is an east–west state highway in the southern portion of the U.S. state of Ohio. Its western terminus is on U.S. Route 27 in Oxford at the intersection of SR 732. SR 73’s eastern terminus is in Portsmouth at US 23; this is also the southern terminus of SR 104, and the two state routes run concurrent for over 6 mi from this point north. Once SR 73 enters Scioto County, it is designated as the Scenic Scioto Heritage Trail by the Ohio Department of Transportation.
Document 6: U.S. Route 83: U.S. Route 83 (US 83) is one of the longest north–south U.S. Highways in the United States, at 1885 mi . Only four other north–south routes are longer: U.S. Routes 1, 41, 59, and 87. The highway's northern terminus is north of Westhope, North Dakota, at the Canada–United States border, where it continues as Manitoba Highway 83. The southern terminus is in Brownsville, Texas, at the Veterans International Bridge on the Mexico–United States border, connecting with both Mexican Federal Highway 101 and Mexican Federal Highway 180.
Document 7: Interstate 70 in Missouri: In the U.S. state of Missouri, Interstate 70 (I-70) is generally parallel to the Missouri River. This section of the transcontinental Interstate begins at the Kansas state line on the Lewis and Clark Viaduct, concurrent with U.S. Routes 24, 40, and 169, and the east end is on the Stan Musial Veterans Memorial Bridge in St. Louis.
Document 8: Interstate 40: Interstate 40 (I-40) is a major east-west Interstate Highway running through the south-central portion of the United States generally north of Interstate 10 and Interstate 20 but south of Interstate 70. The western end is at Interstate 15 in Barstow, California; its eastern end is at a concurrency of U.S. Route 117 and North Carolina Highway 132 in Wilmington, North Carolina. It is the third longest interstate in the United States, behind Interstate 80 and Interstate 90. Much of the western part of I-40, from Oklahoma City to Barstow, parallels or overlays the historic U.S. Route 66, east of Oklahoma City the route generally parallels U.S. Route 64 and U.S. Route 70. I-40 runs through many major cities including Albuquerque, New Mexico; Amarillo, Texas; Oklahoma City, Oklahoma; Little Rock, Arkansas; Memphis, Tennessee; Nashville, Tennessee; Knoxville, Tennessee; and Raleigh, North Carolina.
Document 9: Interstate 135: Interstate 135 (abbreviated I-135) is a 95.7-mile-long Interstate Highway in central and south-central Kansas, USA. I-135 runs between the cities of Salina and Wichita. The route also runs through the cities of McPherson, Newton, and Park City. The interstate's northern terminus is at the junction of Interstate 70 and its southern terminus is with Interstate 35 (the Kansas Turnpike).
Document 10: U.S. Route 53: U.S. Route 53, or U.S. Highway 53 (U.S. 53), is a north–south U.S. highway that runs for 403 miles (649 km) from La Crosse, Wisconsin to International Falls, Minnesota. It is the primary north–south route in northwestern Wisconsin, serving as a vital link between I-94 at Eau Claire, Wisconsin and the city of Duluth, Minnesota. The entire route from Eau Claire to the city limits of Superior, Wisconsin is a four lane divided highway. The highway's northern terminus is at the Fort Frances-International Falls Bridge in International Falls, Minnesota, at the Canada–US border. Its southern terminus is in La Crosse, Wisconsin, at U.S. Highway 14.
Document 11: Interstate 29: Interstate 29 (I-29) is an Interstate Highway in the Midwestern United States. I-29 runs from Kansas City, Missouri, at a junction with Interstate 35 and Interstate 70, to the Canada–US border near Pembina, North Dakota, where it connects with Manitoba Highway 75.
Document 12: Interstate 470 (Kansas): Interstate 470 (I-470) is a 13.72 mi loop highway that bypasses the downtown area of Topeka, Kansas. I-470 begins at an interchange with Interstate 70 in western Topeka and heads generally southeast, running concurrent with U.S. Route 75 (US-75). The concurrency with US-75 ends 5.74 mi later at the Burlingame Road interchange. I-470 becomes part of the Kansas Turnpike at its junction with Interstate 335. From there, the highway heads generally northeast through the southeastern sections of Topeka. After traveling 7.03 mi as the Kansas Turnpike, I-470 reaches its eastern terminus with Interstate 70. The highway has annual average daily traffic values as high as 43,000 west of Gage Boulevard to as low as 10,370 near the eastern terminus with Interstate 70. As an interstate highway, Interstate 470 is a part of the United States National Highway System. The non-turnpike portions of the highway are maintained by the Kansas Department of Transportation, while the turnpike portion is maintained by the Kansas Turnpike Authority.
Document 13: U.S. Route 73: U.S. Route 73 is a north–south United States highway that runs for 113 mi from northeast Kansas to southeast Nebraska. The highway's southern terminus is Bonner Springs, Kansas at I-70. Its northern terminus is near Dawson, Nebraska at US 75.
Document 14: Interstate 70 in Kansas: In the U.S. state of Kansas, Interstate 70 contains the first segment to start being paved and to be completed in the Interstate Highway System. It extends from the Colorado border near the town of Kanorado to the Missouri border in Kansas City. The route covers 424 mi and passes through several of the state's principal cities in the process including Kansas City, Topeka, and Salina. The route also passes through the cities of Lawrence, Junction City, and Abilene.
Document 15: U.S. Route 63 in Missouri: The highway passes south-to-north through Missouri, from Arkansas to Iowa, serving cities such as Rolla, Jefferson City, Columbia, Moberly, Macon, and Kirksville. Notable routes that are intersected include U.S. Route 60 in Howell County, Interstate 44 at Rolla, U.S. Route 50 (which it shares a concurrency with into Jefferson City south of the Missouri River until it reaches the junction with U.S. 54), U.S. Route 54 (which it overlaps in Jefferson City from the junction with U.S. Route 50 and crosses the Missouri River with on the Jefferson City Bridge), Interstate 70 at Columbia, U.S. Route 24 at Moberly, U.S. Route 36 at Macon, and U.S. Route 136 at Lancaster.
ground_truth: 424