Interstate 20

:I-20 is also a form used by the U.S. Citizenship and Immigration Services. I-20 is also the name of a rapper.

Notes

• Until 1971, I-20 passed through downtown Dallas, Texas and Fort Worth, Texas along the Dallas/Fort Worth Turnpike, a route now signed as Interstate 30 (and called the Tom Landry Freeway). I-30 ended at the border of Dallas and Mesquite, Texas. When I-20 was built through Arlington and Grand Prairie, it took over the southern portions of Fort Worth's loop I-820 and Dallas' three-quarter-loop I-635.
• In 1987, the I-20 designation was moved to a cutoff from Terrell, Texas to the southeast Dallas suburb of Balch Springs. Most of the bypassed segment of I-20 was already designated US 80, but that still left a three-mile (5 km) segment of old I-20 west of Terrell with no designation. It is now (2004) signed westbound as "To US 80" and eastbound as "To I-20", and is officially designated as "Texas Spur 557". Note that the problem would have been avoided -- to the benefit of mapmakers and drivers alike -- if the Texas Department of Transportation had requested AASHTO designate the highway from Terrell to the I-30 intersection as "I-120", or perhaps "I-130".
• There were two Interstate 420s that were never completed. One was to be a bypass around Monroe, Louisiana, but it was never built. The other I-420 was planned as a bypass to the south of downtown Atlanta. Due to anti-freeway sentiments, I-420 was never completed, and the already-built portion has been signed as GA 154/GA 166.
• I-20 is also the nickname of a hip-hop artist from Atlanta.
• The North Carolina Department of Transportation in 2003 proposed to extend I-20 eastward to Wilmington, North Carolina at the behest of North Carolina Governor Mike Easley and his 'Strategic Transportation Plan' for the southeast portion of the state. The new I-20 would follow US 76 east from Florence, South Carolina to Whiteville, North Carolina, and then parallel US 74/US 76 into Wilmington. Part of this route is already planned to be designated Interstate 74. As part of the 2005 SAFETEA-LU transportation legislation, North Carolina received $5 million for a feasibility study for this extension. While this extension has considerable support among towns in southeastern North Carolina, the South Carolina DOT has stated that they have no interest in upgrading their portion of US 76 to an Interstate. This is likely due, in no small part, to a desire to encourage eastbound vacationers to travel to Myrtle Beach, South Carolina rather than Wilmington and that they are concentrating their efforts on plans to build Interstate 73 that will terminate near Myrtle Beach.
• Due to Hurricane Katrina and the damage it caused along the Gulf Coast (Louisiana through the Florida panhandle) in late August 2005, I-20 has temporarily become the main east-west artery through the southern U.S., as large portions of Interstate 10 are closed.