Several special routes of U.S. Route 70 exist. In order from west to east, these special routes are as follows. Alternate routes Brownsville–Huntingdon alternate route U.S. Route 70 Alternate (US 70A) is an alternate route to US 70 between Brownsville, and Huntingdon in West Tennessee. Signage along this route, and on most maps, show it as US 70A and not US 70 Alternate. Humboldt bypass route U.S. Route 70A Bypass (US 70 Bypass or US 70A Byp.) is a bypass route of US 70A in Humboldt, Tennessee. It runs concurrently with US 79 Bypass and unsigned SR 366 for its entire length. Pine Level alternate route U.S. Route 70 Alternate (US 70A) was established around 1953, replacing the old mainline US 70 through Pine Level. Originally, it started in Smithfield along US 301 going north to Selma, then east through Pine Level to its eastern terminus near Princeton. In the early 1970s, it was rerouted east from Selma to Wilson's Mills along formerly secondary roads. In 1993, it was truncated at its current western terminus when US 70 was rerouted along the Wilson Mills-Selma route. Business loops Alamogordo business loop Hugo business loop Business U.S. Highway 70 (US 70 Bus.) is a business route of US 70 in Hugo, Oklahoma which is long. It starts at US 70 outside of Hugo and goes into Hugo. In the center of town, it starts running concurrently with U.S. Route 271 Business until they both end outside of Hugo at an interchange with the Indian Nation Turnpike, U.S. Route 271 and US 70. De Queen business route U.S. Route 70 Business (US 70B and Hwy. 70B) is a business route of U.S. Route 70 in Sevier County, Arkansas. On May 23, 2017, AASHTO received and approved recognition of the business route. Glenwood business route U.S. Route 70 Business (US 70B or Hwy. 70B) is a business route of U.S. Route 70, along East Broadway, in Glenwood, Arkansas. the route begins at US 70 in Glenwood, where it runs due west through a residential area before going southwest and through the downtown business district, ending at AR 8. The route was created by the Arkansas State Highway Commission (ASHC) on August 2, 1962, following construction of a US 70 bypass around town to the south. On May 23, 2017, AASHTO received and approved recognition of the business route. Hot Springs business loop U.S. Route