Question: When was the route that U.S. Route 123 is a spur of originally made?

<P0-S0>  It is an original 1926 route which originally reached only as far south as Portsmouth, Ohio, and has since been extended. <P0-S1> U.S. Route 23 (US 23) is a long north–south U.S. Highway between Jacksonville, Florida, and Mackinaw City, Michigan. <SEP> <P1-S0>  The U.S. Highway runs 75.12 mi from US 23, US 441, and SR 365 near Clarkesville, Georgia, north and east to Interstate 385 Business (I-385 Business) in Greenville, South Carolina. <P1-S1>  US 123 parallels I-85 to the north as it connects the Northeast Georgia cities of Clarkesville and Toccoa with the western Upstate South Carolina communities of Westminster, Seneca, Clemson, Easley, and Greenville. <P1-S2> U.S. Route 123 (US 123) is a spur of US 23 in the U.S. states of Georgia and South Carolina. <SEP> <P2-S0> State Route 123 (SR 123) is a primary state highway in the U.S. state of Virginia. <P2-S1>  The state highway runs 29.27 mi from U.S. Route 1 (US 1) in Woodbridge north to the Chain Bridge across the Potomac River into Washington from Arlington. <P2-S2>  It goes by three local names. <P2-S3>  From its southern terminus to the Occoquan River Bridge, it is known as Gordon Boulevard. <P2-S4>  From the Occoquan River Bridge to the city of Fairfax it is known as Ox Road. <P2-S5>  North from Fairfax, it is known as Chain Bridge Road. <P2-S6>  SR 123 is a partial circumferential highway in Northern Virginia that connects Woodbridge in eastern Prince William County with the independent city of Fairfax and the Fairfax County communities of Vienna, Tysons Corner, and McLean, the last the home of the National Counterterrorism Center and the Central Intelligence Agency. <P2-S7>  The state highway also connects all of the major highways that radiate from Washington, including Interstate 95, I-66, US 29, US 50, SR 267, and the George Washington Memorial Parkway. <P2-S8>  Furthermore, SR 123 crosses another pair of circumferential highways, I-495 and the Fairfax County Parkway, and SR 7, a major northwest–southeast highway through Northern Virginia. <P2-S9>  The state highway is a part of the National Highway System for its entire length. <SEP> <P3-S0> Route 73 is a state highway in the southern part of the U.S. state of New Jersey. <P3-S1>  It runs 34.64 mi as an outer bypass of the Camden area from an intersection with U.S. Route 322 in Folsom, Atlantic County to the Tacony-Palmyra Bridge in Palmyra, Burlington County, where it continues into Philadelphia, Pennsylvania as Pennsylvania Route 73. <P3-S2>  South of the interchange with the Atlantic City Expressway in Winslow Township, Camden County, Route 73 is a two-lane undivided county-maintained road and is signed as County Route 561 Spur, a spur of County Route 561 (CR 561). <P3-S3>  North of the Atlantic City Expressway, the route is maintained by the New Jersey Department of Transportation and is mostly four lanes, with the portion north of the County Route 561 concurrency a divided highway. <P3-S4>  North of the U.S. Route 30 (US 30) interchange near Berlin, Route 73 runs through suburban areas of the Delaware Valley, intersecting Route 70 in Marlton, the New Jersey Turnpike and Interstate 295 (I-295) in Mount Laurel Township, Route 38 and Route 41 in Maple Shade Township, Route 90 in Cinnaminson Township, and U.S. Route 130 in Pennsauken Township.