Route Description
I-440 is labeled as an east–west highway which forms a partial loop around the north of downtown Raleigh. Both the eastern and western terminus are at I-40. Exit numbers follow the standard Interstate pattern, increasing from west to east. At the western terminus, the mainline of the road continues on as the U.S. 1/64 expressway through Cary. Other major junctions include the Raleigh-Chapel Hill Expressway at exit 4, U.S. 70 at exit 7, U.S. 1/401 at exit 11, and U.S. 64/264 at exit 14. I-440 shares its route with U.S. 1 between exit 1 and exit 11, and with U.S. 64 between exit 14 and exit 16.
Prior to 2002, the route also followed I-40 south of downtown Raleigh and was labeled "inner" and "outer" rather than using the standard cardinal directions. With the opening of a second loop around Raleigh, I-440 was truncated to its current length, and its designation changed to the standard east/west labeling to avoid confusion with the new road. Signage has been slow to change on parts of the road, and in some places still reflects the old routing and designation. By 2009, many, but not all, of the signs had been changed.
Read more about this topic: Interstate 440 (North Carolina)
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