Question: What is the name of the segment of US 78 that was designed to allow more direct connections between cities in the southeast?

full_context: Document 1: Georgia State Route 8: State Route 8 (SR 8) is a 183 mi state highway that travels west-to-east through portions of Haralson, Carroll, Douglas, Cobb, Fulton, DeKalb, Gwinnett, Barrow, Clarke, Oconee, Madison, Franklin, and Hart counties, bisecting the northern part of the U.S. state of Georgia. The highway travels from its western terminus at US 78 and SR 4 at the Alabama state line west of Tallapoosa to its eastern terminus at US 29 at the South Carolina state line at the south end of Lake Hartwell. The highway is concurrent with either US 29 or US 78 for its entire length.
Document 2: Interstate 72: Interstate 72 (I-72) is an Interstate Highway in the midwestern United States. Its western terminus is in Hannibal, Missouri, at an intersection with U.S. Route 61; its eastern terminus is at Country Fair Drive in Champaign, Illinois. The route runs through the major cities of Decatur, Illinois and Springfield, Illinois. In 2006, the Illinois General Assembly dedicated all of Interstate 72 as Purple Heart Memorial Highway. The stretch between Springfield and Decatur is also called Penny Severns Memorial Expressway, and the section between Mile 35 and the Mississippi River is known as the Free Frank McWorter Historic Highway.
Document 3: Interstate 235 (Oklahoma): Interstate 235 (abbreviated I-235) in Oklahoma is also known as the Centennial Expressway or the I-235 Central Expressway. The spur route of Interstate 35 is a 5.4-mile-long north–south alignment in central and north-central Oklahoma City. It connects northbound to U.S. Highway 77 to suburban Edmond and southbound at Interstate 44 on to Interstate 35 and the I-40 Crosstown Expressway near downtown Oklahoma City. U.S. Highway 77 is concurrent with I-235 for the entire route. South of its junction with I-40, I-235 becomes Interstate 35.
Document 4: Interstate 78 in New Jersey: Interstate 78 (I-78) is an east–west route stretching from Union Township, Lebanon County, Pennsylvania to New York City. In New Jersey, I-78 is called the Phillipsburg–Newark Expressway and the Newark Bay Extension of the New Jersey Turnpike. The highway runs for 67.83 mi in the northern part of the state of New Jersey from the Interstate 78 Toll Bridge over the Delaware River at the Pennsylvania state line in Phillipsburg, Warren County east to the Holland Tunnel under the Hudson River at the New York state line in Jersey City, Hudson County. The Phillipsburg-Newark Expressway portion of I-78, formally called the Lightning Division Memorial Highway, runs from the Phillipsburg area east across rural areas of western New Jersey before entering suburban areas in Somerset County. The road crosses the Watchung Mountains, widening into a local-express lane configuration at Route 24 as it continues through urban areas to Newark. Here, I-78 intersects the mainline of the New Jersey Turnpike (I-95) and becomes the Newark Bay Extension, crossing the Newark Bay Bridge and continuing to Jersey City. The route, along with Route 139, follows a one-way pair of surface streets to the Holland Tunnel.
Document 5: Interstate 22: Interstate 22 (I-22) is an Interstate Highway that follows the U.S. Route 78 (US 78) corridor on a 213 mi route from Byhalia, Mississippi south of Memphis, Tennessee, to Birmingham, Alabama. I-22 indirectly connects I-240, I-40, I-55, and I-69 in the northwest with I-65 and I-20/I-59 in the southeast. When designated in 2012, it was designed to close a gap in the Interstate network allowing more direct connections between cities in the southeast (such as Atlanta and Birmingham) with those of the Great Plains (such as Oklahoma City and St. Louis).
Document 6: Business routes of Interstate 20: Interstate 20 has 15 business routes located in Texas and one additional route in South Carolina:
Document 7: U.S. Route 78 in Georgia: U.S. Route 78 (US 78) is a 233.3 mi U.S. Highway in the U.S. state of Georgia. It travels west to east in the north-central part of the state, starting at the Alabama state line, west of Tallapoosa, where the roadway continues concurrent with the unsigned highway Alabama State Route 4. This is also the western terminus of Georgia State Route 8 (SR 8), which is concurrent with US 78 to the east. The highway serves the Atlanta, Athens, and Augusta metropolitan areas on its path from the Alabama state line to the South Carolina state line, at the Savannah River, on the northeastern edge of Augusta, where it continues concurrent with US 1/US 25/US 278/SC 121. This is also the eastern terminus of SR 10 and the northern terminus of SR 121, as well as the southern terminus of SC 121. US 78 travels through portions of Haralson, Carroll, Douglas, Cobb, Fulton, DeKalb, Gwinnett, Walton, Oconee, Clarke, Oglethorpe, Wilkes, McDuffie, Columbia, and Richmond counties.
Document 8: Interstate 57: Interstate 57 (I-57) is an Interstate Highway in Missouri and Illinois that parallels the old Illinois Central rail line for much of its route. It goes from Sikeston, Missouri, at Interstate 55 to Chicago, Illinois, at Interstate 94. I-57 essentially serves as a shortcut route for travelers headed between the south (Memphis, New Orleans, etc.) and Chicago, bypassing St. Louis, Missouri. Between the junction of I-55 and I-57 in Sikeston, Missouri and the junction of I-55 and I-90/94 in Chicago, I-55 travels for 436 mi , while the combination of I-57 and I-94 is only 396 mi long between the same two points. In fact, both the control cities on the overhead signs, as well as destination mileage signs, reference Memphis along southbound I-57, even as far north as its northern origin at I-94 in Chicago. Likewise, at its southern end, Chicago is the control city listed for I-57 on signs on northbound I-55 south of Sikeston, Missouri, even though I-55 also goes to Chicago.
Document 9: Interstate 244: Interstate 244 (abbreviated I-244), also known as the Martin Luther King Jr. Memorial Expressway (in honor of the Reverend Martin Luther King, Jr.), the Crosstown Expressway, and the Red Fork Expressway, is a 15.8 mi -long east-west Interstate Highway bypass route of Interstate 44 in Tulsa, Oklahoma, USA.
Document 10: Interstate 20 in Georgia: In the U.S. state of Georgia, Interstate 20 (I-20) travels from the Alabama state line to the Savannah River, which is the South Carolina state line. The highway enters the state near Tallapoosa. It travels through the Atlanta metropolitan area and exits the state in Augusta. The highway also travels through the cities of Bremen, Douglasville, Conyers, Covington, and Madison. I-20 has the unsigned state highway designation of State Route 402 (SR 402).
Document 11: U.S. Route 378: U.S. Route 378 (US 378) is a spur of US 78 in the U.S. states of Georgia and South Carolina. The U.S. Highway runs 234.30 mi from US 78, Georgia State Route 10 (SR 10), SR 17, and SR 47 in Washington, Georgia, east to US 501 Business in Conway, South Carolina. US 378 connects the Central Savannah River Area in both states with the Midlands and Pee Dee regions of South Carolina. The U.S. Highway's western portion, which connects Washington and Lincolnton in Georgia and McCormick, Saluda, and Lexington in South Carolina, is mainly a rural highway. US 378 is a major suburban and urban highway through Lexington and the South Carolina state capital, Columbia. The highway has a lengthy concurrency with US 76 between Columbia and Sumter and serves as a major route between the Midlands and the Myrtle Beach area, between which the highway has a business route through Lake City.
Document 12: California State Route 242: State Route 242 (SR 242) is a short three-mile (5 km) connector route that links Interstate 680 north of Pleasant Hill to State Route 4 in Concord. In 2000, State Route 242 was widened to six through-traffic lanes for the entire route. Ramp metering is present at all onramps, and is used southbound in the morning and northbound in the evening. It was signed as part of State Route 24 until ca. 1987. Currently, along with Interstate 580, State Route 24, Interstate 680, and State Route 4, it serves as the most direct route between the San Francisco Bay Area and the Sacramento River Delta region of Northern California.
Document 13: U.S. Route 78: U.S. Highway 78 is an east–west United States highway that runs for 715 miles (1,151 km) from Memphis, Tennessee, to Charleston, South Carolina. A segment of US 78 from near Memphis, Tennessee, to Birmingham, Alabama, is designated as Interstate 22.
Document 14: U.S. Route 58: U.S. Route 58 is an east–west U.S. Highway that runs for 508 mi from U.S. Route 25E just northwest of Harrogate, Tennessee, to U.S. Route 60 in Virginia Beach, Virginia. Until 1996, when the Cumberland Gap Tunnel opened, US 58 ran only inside the commonwealth of Virginia. It was then extended southwest along a short piece of former US 25E, which no longer enters Virginia, to end at the new alignment in Tennessee.
Document 15: New Hampshire Route 78: New Hampshire Route 78 (abbreviated NH 78) is a 3.456 mi secondary state highway in Cheshire County in the southern part of the U.S. state of New Hampshire. A northward extension of Massachusetts Route 78, NH 78 runs entirely within the town of Winchester from the state border to downtown, where it ends at New Hampshire Route 10 and New Hampshire Route 119.
ground_truth: Interstate 22